Seiko Cal. 5646 - 742

This Quartz model from 1975 features a 37mm Stainless Steel case. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-515fa81a191b]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1975

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