Seiko Cal. 6642 - 275

The Seiko 6642-275 represents an important milestone in Seiko's 1967 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-ed5c1e7ae5c1]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1967

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