Seiko Cal. 6635 - 961

This Quartz model from 1975 features a 44mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-f16ef3f7d7eb]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1975

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