Seiko Cal. 6691 - 933

This Spring Drive model from 1967 features a 34mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-39ba2ef562ee]

Also known as: Samurai, Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

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