Seiko Cal. 6665 - 123

This Solar model from 1978 features a 41mm Two-Tone case. Powered by the 6665 caliber with 34j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-af4b8ef259dd]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1978

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