Seiko Cal. 3862 - 637

The Seiko 3862-637 represents an important milestone in Seiko's 1983 lineup. Powered by the 3862 caliber with 33j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-77c6522c5fc4]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1983

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