Seiko Cal. 3859 - 975

Seiko 3859-975

This Spring Drive model from 1987 features a 39mm Two-Tone case. Powered by the 3859 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-d64cfc5d619a]

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
10.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Black
Jewels
33j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1987

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