Seiko Cal. 6637 - 148

This Quartz model from 1967 features a 44mm Titanium case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-7271496783d8]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1967

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