Seiko Cal. 6646 - 861

This Solar model from 1981 features a 43mm Two-Tone case. Powered by the 6646 caliber with 26j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-6f1355961e6d]

Also known as: Rally, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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