Seiko Cal. 5657 - 948

This Quartz model from 1976 features a 46mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-30a5d12b10c6]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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