Orient Star
Ideal for buyers who want Orient's in-house mechanical DNA with a genuine step up in finishing and complexity.

Launched in 1951 as Orient's premium sibling brand — the name means ‘Shining Star’ — Orient Star sits a clear step above mainline Orient, with its own in-house movement family, longer power reserves, and a design language built around open-worked skeleton dials. It shares a parent company with Orient (Seiko Epson) but runs its own dealer network and pricing tier, roughly $500 to $2,000+ against Orient's $150-$500 mainline.
Orient Star's identity is built on taking Orient's in-house-movement philosophy and pushing it further: longer power reserves (typically 50-70 hours against mainline Orient's 40), a dedicated F6/F7/F8 caliber family, and open-worked skeleton dials across several distinct sub-lines. The catalog splits along two constellation-themed collections — M45 Classic (named after the Pleiades) for restrained dress models, and M34 Contemporary (named after Perseus) for sharper, more modern skeleton pieces — alongside the M42 Diver 1964, a heritage-inspired dive watch reissue. Against Citizen's upper-end pieces or an entry Seiko Presage, Orient Star competes on the same in-house-mechanical ground but leans harder into skeleton dial work as its signature.
Country
Japan
Positioning
premium, dress-watch, tool-watch
About Orient Star
Orient Star launched in 1951, a year after its parent brand adopted the Orient name, as a premium counterpart built around the same in-house manufacturing base — the name itself translates to ‘Shining Star.’ Rather than a marketing tier bolted onto the existing Orient catalog, Orient Star has its own caliber family, its own dealer network, and its own design identity, most visibly expressed through open-worked skeleton dials that show off the movement Orient builds in-house.
Like Orient, the brand became part of Seiko Epson in 2009, with full integration in 2017 — but the two continue to operate as genuinely separate brands rather than tiers of one catalog, each with its own movement roadmap and retail presence.
Why Orient Star matters
Orient Star's F6/F7/F8-series calibers typically run 50 to 70 hours of power reserve — a genuine step up from mainline Orient's roughly 40 hours — and the brand's skeleton models add hand-finished open-worked bridges that put the movement itself on display rather than hiding it under a solid dial. That combination of longer power reserve and visible mechanical work is what separates Orient Star from being simply ‘Orient with a nicer dial.’
The M42 Diver 1964 extends that same in-house capability to genuine dive-watch territory, reissuing a heritage case design with modern specifications — proof that Orient Star's mechanical ambitions aren't limited to dress and skeleton pieces alone.
Style, fit & buyer profile
The catalog splits along two constellation-themed collections: M45 Classic (named after the Pleiades) covers restrained three-hand and small-seconds dress watches around 39-41mm, while M34 Contemporary (named after Perseus) covers sharper, more modern skeleton and semi-skeleton pieces around 40-42mm. Layered onto both are dedicated skeleton sub-lines — Modern Skeleton, Layered Skeleton, and Avant-garde Skeleton — plus the separate M42 Diver 1964 at 41-43mm for buyers who want Orient Star's mechanical finishing in a genuine tool-watch case.
Buyers drawn to M45 Classic or the Semi Skeleton line want a formal watch with just enough mechanical flourish to be interesting; M34 Contemporary and the fuller skeleton lines suit buyers who want the movement itself to be the design statement; and M42 Diver 1964 buyers want vintage dive-watch styling backed by Orient Star's own in-house engineering rather than an outsourced automatic.
Price positioning
Orient Star generally runs from around $500 for a simple three-hand Classic or Contemporary Date model to over $2,000 for the more elaborate skeleton pieces — a distinct tier above mainline Orient's $150-$500 range, reflecting the longer power reserve, added finishing, and open-worked movement work.
That range puts Orient Star closer to Citizen's upper-end pieces or an entry Seiko Presage than to its own sister brand — a natural next step for buyers who started with mainline Orient and want more mechanical presence without jumping all the way to Grand Seiko territory.
Main collections
M42 Diver 1964
A heritage-inspired dive watch reissuing Orient Star's 1964 case design with modern specifications — the brand's in-house engineering applied to genuine tool-watch duty.
M34 Contemporary
Named after the Perseus constellation, Orient Star's sharper, more modern collection — home to most of the brand's semi-skeleton and skeleton dial work.
M45 Classic
Named after the Pleiades, Orient Star's restrained dress collection, spanning simple small-seconds models to a mechanical moon phase complication.
Modern Skeleton
Open-worked dial models that put Orient Star's in-house movement fully on display, offered across a wide range of dial colors at a consistent 41mm.
Notable models
M42 Diver 1964 1st Edition F6 (RE-AU0503N)
A blue-grey gradation automatic diver at 41mm with over 50 hours of power reserve — Orient Star's in-house engineering applied to a heritage 1964 case.
M34 F7 Semi Skeleton (RE-BY0011S)
A white-dial semi-skeleton automatic at 40mm, part of the Perseus-themed M34 Contemporary collection, with over 50 hours of power reserve.
M45 F7 Mechanical Moon Phase (RE-BT0005S)
A white-dial automatic at 41mm from the Pleiades-themed M45 Classic collection, adding a mechanical moon phase complication to Orient Star's dress lineup.
Modern Skeleton (RE-AV0127L)
A sky-blue open-worked dial automatic at 41mm, showing Orient Star's in-house movement in full view rather than behind a solid dial.
What sets Orient Star apart
Browse all 125 references
- Seiko 5 Sports — SPORTS
- M34 F8 Date Limited Edition 2025ss — M34-F8-DATE-LIMITED-EDITION-2025SS
- Semi Skeleton — RE-BY0011S
- Semi Skeleton — RE-ND0020L
- Diver — RE-AU0301B
- Avant-garde F8 Skeleton — M34-AVANT-GARDE-F8-SKELETON
- Modern Skeleton — RE-AV0127L
- RE-AZ0004S — RE-AZ0004S
- MODERN-SKELETON — MODERN-SKELETON
- M45 F7 Small Second — RE-BS0002S
- RE-BX0009B — RE-BX0009B
- Contemporary Date — RE-AU0114E
- Layered Skeleton — RE-AV0B08L
- RE-AT0202E — RE-AT0202E
- Layered Skeleton — RE-AV0B11E
- Heritage Gothic — HERITAGE-GOTHIC
- RE-BS0003N — RE-BS0003N
- M34 Avant-garde F8 Skeleton — M34-AVANT-GARDE-F8-SKELETON-2025SS
- RE-BX0010A — RE-BX0010A
- Modern Skeleton — RE-AV0138V
- Semi Skeleton — RE-BY0009A
- Semi Skeleton — RE-AT0201G
- M45 F7 Mechanical Moon Phase — RE-BT0005S
- M45 F7 Mechanical Moon Phase — RE-AY0102S
- RK-AT0201G — SEMI-SKELETON
- M45 F8 Mechanical Moon Phase Hand Winding — M45-F8-MECHANICAL-MOON-PHASE-HAND-WINDING-2025AW
- Elegant Classic — RE-AU0002S
- M34 Avant-garde F8 Skeleton — RE-BZ0001S
- ダイバー1964 2nd エディション F6 デイト 200m — M42-DIVER-1964-2ND-EDITION-F6-DATE-200M
- RE-BX0004L — RE-BX0004L
- Modern Skeleton — RE-AV0113S
- Contemporary Date — RE-AU0110N
- Modern Skeleton — RE-AV0135L
- エレガントクラシック — ELEGANT-CLASSIC
- M42 Diver 1964 2nd Edition F6 Date 200m — RE-AU0601B
- RE-ND0010G — RE-ND0010G
- M45 F7 Small Second — RE-BS0001E
- RN-TX0308S — CONTEMPORARY
- RE-AT0019L — RE-AT0019L
- RE-AV0001S — RE-AV0001S
- Semi Skeleton — RE-ND0103N
- Modern Skeleton — RE-AV0137S
- Semi Skeleton — RE-ND0022L
- Mechanical Moon Phase — RE-AY0005A
- M34 F7 Mechanical Moon Phase — RE-AY0202A
- M42 Diver 1964 1st Edition F6 Date 200m — RE-AU0503N
- RE-ND0001S — RE-ND0001S
- M34 F8 Skeleton Hand Winding Limited Edition — M34-F8-SKELETON-HAND-WINDING-LIMITED-EDITION
- Modern Skeleton — RE-AV0136N
- Contemporary Date — RE-AU0404N
- Classic — CLASSIC
- RE-ND0012L — RE-ND0012L
- Avant-garde Skeleton — AVANT-GARDE-SKELETON
- RK-AU0107E — CONTEMPORARY-DATE
- Avant-garde Skeleton — RE-AV0A03B
- Avant-garde Skeleton — RE-AV0A01B
- Modern Skeleton — RE-AV0139Y
- Modern Skeleton — RE-AV0114E
- M34 F7 メカニカルムーンフェイズ — M34-F7-MECHANICAL-MOON-PHASE
- RE-AT0004S — RE-AT0004S
- Contemporary Date — RE-AU0113Y
- RK-BW0001S — M45-F8-MECHANICAL-MOON-PHASE-HAND-WINDING
- Contemporary Date — RE-AU0109L
- Layered Skeleton — RE-AV0B02Y
- M34 Avant-garde F8 Skeleton — RE-BZ0002B
- Contemporary Date — RE-AU0112V
- RE-AU0307E — RE-AU0307E
- RE-BY0005A — RE-BY0005A
- RE-AU0306L — RE-AU0306L
- Modern Skeleton — RE-AV0115B
- RE-AZ0005S — RE-AZ0005S
- Modern Skeleton — RE-AV0124G
- M42 ダイバー1964 1st エディション F6 デイト 200m — M42-DIVER-1964-1ST-EDITION-F6-DATE-200M
- Modern Skeleton — RE-AV0123G
- Modern Skeleton — RE-AV0134E
- M45 F7 Mechanical Moon Phase — RE-BT0007L
- M45 F7 Mechanical Moon Phase — RE-AY0121A
- Modern Skeleton — RE-AV0132L
- Semi Skeleton — RE-ND0102R
- Semi Skeleton — RE-ND0005S
- Contemporary Date — RE-AU0401S
- M45 F7 Mechanical Moon Phase — RE-AY0106S
- Contemporary Date — RE-AU0405E
- M34 F7 Semi Skeleton — RE-BY0004A
- Diver — RE-AU0302L
- Semi Skeleton — RE-ND0011N
- LAYERED-SKELETON — LAYERED-SKELETON
- Semi Skeleton — RE-AT0203L
- RE-BX0002S — RE-BX0002S
- RE-AT0006L — RE-AT0006L
- RE-AU0402B — RE-AU0402B
- Avant-garde Skeleton — RE-AV0A02S
- Heritage Gothic — RE-AW0003S
- RE-AY0001B — RE-AY0001B
- Contemporary Date — RE-AU0111R
- RE-AT0003S — RE-AT0003S
- Avant-garde Skeleton — RE-AV0A04B
- Diver Design Chronograph — DIVER
- Layered Skeleton — RE-AV0B03B
- M42 Diver 1964 2nd Edition F6 Date 200m — RE-AU0602E
- M34 F7 Semi Skeleton — RE-BY0010L
- M42 Diver 1964 1st Edition F6 — RE-AU0502S
- RE-AY0002S — RE-AY0002S
- Modern Skeleton — RE-AV0125S
- RK-AY0104N | M45 F7 メカニカルムーンフェイズ — MECHANICAL-MOON-PHASE
- M34 F8 Skeleton Hand Winding — RE-AZ0105N
- Semi Skeleton — RE-AT0007N
- RE-AT0001L — RE-AT0001L
- RE-AZ0101N — RE-AZ0101N
- Layered Skeleton — RE-AV0B10G
- RE-AT0021L — RE-AT0021L
- M45 F7 Mechanical Moon Phase — RE-BT0006L
- Heritage Gothic — RE-AW0004S
- Contemporary Date — RE-AU0107E
- RE-ND0003S — RE-ND0003S
- RE-AY0103L — RE-AY0103L
- Semi Skeleton — RE-ND0101S
- M45 F7 Mechanical Moon Phase — RE-AY0107N
- M45 F8 スケルトン ハンドワインディング — M45-F8-SKELETON-HAND-WINDING
- Contemporary Date — RE-AU0403L
- Layered Skeleton — RE-AV0B01S
- RE-AT0002E — RE-AT0002E
- Elegant Classic — RE-AU0001S
- Contemporary Date — RE-AU0108G
- Semi Skeleton — RE-AV0002S