Seiko Cal. 3821 - 171

Seiko 3821-171

This Automatic model from 1967 features a 37mm Titanium case. Powered by the 3821 caliber with 36j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-6e0d287a24d6]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
9.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Champagne
Jewels
36j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1967

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