Seiko Cal. 6637 - 164

This Quartz model from 1968 features a 43mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-6f4f809f29c1]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1968

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