Seiko Cal. 6635 - 241

The Seiko 6635-241 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-73ef74b2db59]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1979

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