Seiko Cal. 4457 - 317

The 4457-317 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4457 caliber with 28j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-4dda17e6d54e]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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