Seiko Cal. 4457 - 165

This Spring Drive model from 1984 features a 35mm PVD Black case. Powered by the 4457 caliber with 31j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-4c99b7f4d03c]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1984

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