Seiko Cal. 5691 - 642

This Spring Drive model from 1984 features a 34mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-8a09d120df93]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1984

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