Seiko Cal. 7121 - 306

This Spring Drive model from 1970 features a 40mm Two-Tone case. It features a Cream dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-04771a9a8c87]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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