Seiko Cal. 6651 - 900

The Seiko 6651-900 represents an important milestone in Seiko's 1984 lineup. Powered by the 6651 caliber with 34j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-03f710c16b45]

Also known as: Bullhead, Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1984

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