Seiko Cal. 3837 - 863

The Seiko 3837-863 represents an important milestone in Seiko's 1972 lineup. Powered by the 3837 caliber with 34j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-b561d535129f]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1972

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