Seiko Cal. 0721 - 286

This Spring Drive model from 1974 features a 36mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-fec91f43a33d]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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