Seiko Cal. 5278 - 377

Seiko 5278-377

This Hand-Winding model from 1984 features a 41mm Titanium case. Powered by the 5278 caliber with 21j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-b61d2f974f1e]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
41mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1984

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