Seiko Cal. 4544 - 990

This Spring Drive model from 1973 features a 44mm Hardlex-Coated Steel case. Powered by the 4544 caliber with 33j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-1543e0ea7e04]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1973

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