Seiko Cal. 6645 - 341

This Quartz model from 1967 features a 37mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-5e2b9ad8c721]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1967

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