SpecStudio
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Seiko 5 Sports Field series
Case
- Diameter
- 39.4mm
- Thickness
- 13.6mm
- Lug-to-lug
- 47.9mm
- Lug width
- 20mm
- Material
- Stainless Steel
- Water resistance
- 100m
Crystal & dial
- Crystal
- Hardlex
- Shape
- Curved
- Lume
- LumiBrite on hands and index(es)
Movement
- Caliber
- Seiko 4R34
- Type
- Automatic
- Power reserve
- 41h
- Jewels
- 24
- Hacking
- No
- Hand-winding
- No
- Complications
- Time only
Design language
- Case shape
- round
- Dial style
- matte
- Bezel
- gmt
- Bracelet
- lug-attached
- Hands
- baton
AI-detected from the product image
5 Sports Field series collection · 2 watches
3 colorways
The living market
This one moves.
From listings that closed on r/Watchexchange and WatchUSeek. Not appraisals or offers.
Retail$450
Nothing listed right now, and 2 closed in the last 30 days.
- Asking and closing medians, each with the number of listings behind it
- The weekly trend, on a real time scale
- How long one takes to sell, from the listings that closed
Seiko on the secondhand market
+8.5%
2026 so far · +3.4% to +13.5% · 72 matched watches
In line with the index
GMT watches as a group: +7.4% · 86 matched watches
Year-by-year readings →The connection engine
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The community take
Owners talk.
The Seiko 5 Sports Field series offers an accessible explorer-style watch with a 41mm stainless steel case, 100m water resistance, and a Hardlex crystal. The Field GMT model features a caller GMT complication powered by the 4R34 movement, while the standard Field models use the 4R36 with a 41-hour power reserve. Both models include Arabic numerals coated in LumiBrite and a lumed pearl on the bezel. On balance, the Seiko 5 Sports Field GMT is a well-regarded entry-level explorer watch for its price point, despite its office-style GMT function.
Synthesized from 2 sources
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