Seiko Cal. 6646 - 372

The 6646-372 is a sought-after Solar piece from Seiko's golden era. Powered by the 6646 caliber with 34j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-67b518800e0e]

Also known as: Shogun, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1984

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