Seiko Cal. 7121 - 474

This Spring Drive model from 1988 features a 45mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-92a59ab483ad]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

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