Seiko Cal. 6661 - 910

The Seiko 6661-910 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-bfcde6858745]

Also known as: Sea Horse, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1974

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