Seiko Cal. 5697 - 181

The Seiko 5697-181 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ae9727bc3cd3]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1978

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