Seiko Cal. 4457 - 399

Seiko 4457-399

This Spring Drive model from 1977 features a 37mm Stainless Steel case. Powered by the 4457 caliber with 20j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-fc8dda0e028f]

Also known as: Goldfeather

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Green
Jewels
20j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1977

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