Seiko Cal. 7181 - 975

This Spring Drive model from 1977 features a 35mm Stainless Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-3ae452a4f91c]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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