Seiko Cal. 3843 - 257

Seiko 3843-257

This Hand-Winding model from 1977 features a 35mm Titanium case. Powered by the 3843 caliber with 31j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-e8a92f0fa746]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
80m
Dial Color
Navy
Jewels
31j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1977

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