Seiko Cal. 6659 - 140

The Seiko 6659-140 represents an important milestone in Seiko's 1970 lineup. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-2702e35ac5fe]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1970

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