Seiko Cal. 4488 - 618

This Spring Drive model from 1970 features a 34mm Hardlex-Coated Steel case. Powered by the 4488 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-4f1c6187bbb7]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1970

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