Seiko Cal. 4531 - 231

This Hand-Winding model from 1997 features a 42mm Titanium case. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-9e559acee79e]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1997

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