Seiko Cal. 3862 - 637

Seiko 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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