Seiko Cal. 4445 - 280

This Hand-Winding model from 1969 features a 35mm Hardlex-Coated Steel case. Powered by the 4445 caliber with 29j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-a0311da1bbd3]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1969

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