Seiko Cal. 3875 - 937

The Seiko 3875-937 represents an important milestone in Seiko's 1972 lineup. Powered by the 3875 caliber with 34j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-89702e0d606b]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1972

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