Seiko Cal. 3820 - 277

Seiko 3820-277

This Automatic model from 1991 features a 34mm Titanium case. Powered by the 3820 caliber with 36j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-749c19e87b97]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
34mm
Case Thickness
9.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Champagne
Jewels
36j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1991

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seikata-wm-749c19e87b97