Seiko Cal. 6312 - 551

This Quartz model from 1979 features a 39mm Titanium case. Powered by the 6312 caliber with 35j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-33e7917574bf]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1979

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