Seiko Cal. 4457 - 355

This Hand-Winding model from 1972 features a 44mm Stainless Steel case. Powered by the 4457 caliber with 36j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-8a9d579df67e]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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