Compare
All drawings share one millimetre scale.
Laid on top of each other
Case outlines, lugs and dial openings, centred and to scale. The outer shape is what your wrist feels; the inner circle is what your eye reads.
- Orient Kamasu41.8 mm
- Seiko Seiko 5 Sports42.5 mm
- Zelos Swordfish 40mm SS40 mm
The differences
Case diameter
41.8 mm
42.5 mm
40 mm
Lug to lug
The number that decides how it wears.
46.8 mm
46 mm
46 mm
Thickness
12.8 mm
13.4 mm
12 mm
Lug width
22 mm
22 mm
20 mm
Water resistance
200 m
100 m
200 m
Power reserve
40 h
41 h
41 h
Weight
170 g
Price
Approximate manufacturer RRP.
€440
€325
€385
Details
| Detail | Kamasu | Seiko 5 Sports | Swordfish 40mm SS |
|---|---|---|---|
| Style | Diver | Sport | Diver |
| Movement | F6922, Automatic | 4R36, Automatic | NH35A, Automatic |
| Beat rate | 21,600 vph | 21,600 vph | 21,600 vph |
| Crystal | Sapphire | Hardlex | Sapphire |
| Case | Stainless steel | Stainless steel | Stainless steel |
| Bezel | Dive | Dive | Dive |
| Dial | Green | Green with rose-gold accents | Jade stone |
| Strap | Steel bracelet | Steel bracelet | Steel bracelet |
| Origin | Japan | Japan | Singapore |
| Introduced | — | 2019 | 2026 |
Rows where the watches differ are shown darker.