Seiko Cal. 0721 - 931

This Quartz model from 1976 features a 44mm Two-Tone case. Powered by the 0721 caliber with 18j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-7b8ab4507505]

Also known as: Sumo, Panda

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1976

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