Seiko Cal. 6646 - 939

The Seiko 6646-939 represents an important milestone in Seiko's 1969 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-0d37cb57ff9d]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1969

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