Seiko Cal. 4544 - 583

This Hand-Winding model from 1981 features a 39mm Stainless Steel case. Powered by the 4544 caliber with 20j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-337f94878d0b]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1981

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