Seiko Cal. 4432 - 787

This Quartz model from 1977 features a 39mm Titanium case. Powered by the 4432 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-4596bc878db2]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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