Seiko Cal. 4488 - 623

The Seiko 4488-623 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-77f8210a9237]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1972

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