Seiko Cal. 0731 - 603

This Hand-Winding model from 1997 features a 39mm Titanium case. With its 19mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-30b5a7aa762f]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1997

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