Seiko Cal. 6635 - 759

Released in 1966, the Cal. 6635 with design code 759 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-d74c82cac8aa]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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