Seiko Cal. 3874 - 952

Seiko 3874-952

This Spring Drive model from 1982 features a 37mm PVD Black case. Powered by the 3874 caliber with 25j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-215e14b695ff]

Also known as: Monster, Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
37mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1982

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