Seiko Cal. 5697 - 631

The Seiko 5697-631 represents an important milestone in Seiko's 1968 lineup. It features a White dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-577efcab6dd6]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1968

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