Seiko Cal. 4555 - 615

This Spring Drive model from 1986 features a 45mm Stainless Steel case. Powered by the 4555 caliber with 26j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-88be8fee2998]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1986

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