Seiko Cal. 3874 - 632

Seiko 3874-632

This Automatic model from 1971 features a 40mm Hardlex-Coated Steel case. Powered by the 3874 caliber with 21j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-bb2e805d709a]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Burgundy
Jewels
21j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1971

Related Models

seikata-wm-bb2e805d709a