Seiko Cal. 5691 - 921

This Spring Drive model from 1997 features a 39mm Titanium case. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-43c48c85bf9a]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1997

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