Seiko Cal. 4457 - 535

Seiko 4457-535

This Hand-Winding model from 1975 features a 35mm PVD Black case. Powered by the 4457 caliber with 18j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-487f56eba38c]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
35mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
White
Jewels
18j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1975

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seikata-wm-487f56eba38c