Seiko Cal. 4442 - 507

Seiko 4442-507

This Solar model from 1977 features a 46mm Gold-Plated case. Powered by the 4442 caliber with 33j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-bb70081ece75]

Also known as: Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
10.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
100m
Dial Color
Green
Jewels
33j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1977

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