Seiko Cal. 6651 - 170

The Seiko 6651-170 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-35e481b6cf10]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1977

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