Seiko Cal. 4554 - 612

This Spring Drive model from 1982 features a 37mm Stainless Steel case. Powered by the 4554 caliber with 36j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-d7e5890571a7]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1982

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