Seiko Cal. 4557 - 443

Seiko 4557-443

This Solar model from 1972 features a 44mm Stainless Steel case. Powered by the 4557 caliber with 24j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-2136ee86b7ae]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
11.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Black
Jewels
24j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1972

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