Seiko Cal. 5671 - 992

The Seiko 5671-992 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3ec7bf79caba]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1975

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