Seiko Cal. 4457 - 711

Seiko 4457-711

This Automatic model from 1967 features a 38mm Hardlex-Coated Steel case. Powered by the 4457 caliber with 22j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-bbbd32bd9085]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Green
Jewels
22j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1967

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