Seiko Cal. 4488 - 742

The Seiko 4488-742 represents an important milestone in Seiko's 1978 lineup. Powered by the 4488 caliber with 30j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-0954d201fa45]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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