Seiko Cal. 3875 - 500

Seiko 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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