Seiko Cal. 5612 - 301

The Seiko 5612-301 represents an important milestone in Seiko's 1970 lineup. Powered by the 5612 caliber with 32j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-2c3ef0cb2c7f]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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