Seiko Cal. 6661 - 757

The Seiko 6661-757 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-c9a0a4dc7441]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

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