Seiko Cal. 6636 - 241

The Seiko 6636-241 represents an important milestone in Seiko's 1965 lineup. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-fbbb3f07f21c]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1965

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