Seiko Cal. 5660 - 791

This Solar model from 1967 features a 37mm Stainless Steel case. Powered by the 5660 caliber with 32j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-6474e082fc58]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1967

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