Seiko Cal. 3875 - 813

Seiko 3875-813

This Spring Drive model from 1970 features a 34mm Stainless Steel case. Powered by the 3875 caliber with 35j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-0d4de84d1e77]

Also known as: UFO, Crown

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
White
Jewels
35j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1970

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