Seiko Cal. 4555 - 421

Seiko 4555-421

This Hand-Winding model from 1973 features a 38mm Two-Tone case. Powered by the 4555 caliber with 17j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-d3afbc4e076d]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
38mm
Case Thickness
9.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Cream
Jewels
17j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1973

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