Seiko Cal. 4445 - 558

This Solar model from 1966 features a 38mm Stainless Steel case. Powered by the 4445 caliber with 20j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-5c998487ca5e]

Also known as: Sumo, Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1966

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