Seiko Cal. 4488 - 931

This Hand-Winding model from 1966 features a 34mm Hardlex-Coated Steel case. Powered by the 4488 caliber with 28j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-cea021e5dc90]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

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