Seiko Cal. 4457 - 477

The 4457-477 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4457 caliber with 33j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-9c1576289ad4]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1987

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