Seiko Cal. 5278 - 442

Seiko 5278-442

This Solar model from 1972 features a 35mm Stainless Steel case. Powered by the 5278 caliber with 28j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-307f2bfb7c77]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1972

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seikata-wm-307f2bfb7c77