Seiko Cal. 5671 - 654

This Spring Drive model from 1975 features a 38mm Titanium case. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-c61349951aa6]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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