Seiko Cal. 7181 - 456

This Spring Drive model from 1991 features a 38mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-98b5e7b87306]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1991

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