Seiko Cal. 6340 - 661

This Solar model from 1966 features a 37mm Two-Tone case. Powered by the 6340 caliber with 20j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-7d420e91f076]

Also known as: Sumo, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1966

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