Seiko Cal. 4488 - 645

The Seiko 4488-645 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-cf23b04dac4a]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

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