Seiko Cal. 4478 - 903

Seiko 4478-903

This Solar model from 1982 features a 35mm Titanium case. Powered by the 4478 caliber with 36j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-7ed66e0dbdd2]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
35mm
Case Thickness
13.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
Navy
Jewels
36j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1982

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