Seiko Cal. 6651 - 207

The 6651-207 is a sought-after Solar piece from Seiko's golden era. Powered by the 6651 caliber with 18j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-11c1dbb52be0]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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