Seiko Cal. 4553 - 438

Seiko 4553-438

This Hand-Winding model from 1971 features a 40mm PVD Black case. Powered by the 4553 caliber with 35j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-67d987cf9f42]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
14.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Champagne
Jewels
35j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1971

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seikata-wm-67d987cf9f42