Seiko Cal. 3875 - 500

This Spring Drive model from 1986 features a 46mm Hardlex-Coated Steel case. Powered by the 3875 caliber with 29j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-6c61b20b87d6]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1986

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