Seiko Cal. 3862 - 958

The 3862-958 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3862 caliber with 27j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-1428a5a41127]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1970

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