Seiko Cal. 4557 - 930

Seiko 4557-930

This Hand-Winding model from 1972 features a 37mm Two-Tone case. Powered by the 4557 caliber with 33j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-bec98a2ce708]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1972

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seikata-wm-bec98a2ce708