Seiko Cal. 7121 - 591

This Spring Drive model from 1979 features a 37mm Two-Tone case. It features a Burgundy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-4f99ad03fd17]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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