Seiko Cal. 5641 - 992

This Spring Drive model from 1988 features a 38mm Titanium case. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-7bceeb172ae7]

Also known as: UFO, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

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