Seiko Cal. 5681 - 957

This Spring Drive model from 1973 features a 34mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-47fdf604dd65]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

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