Seiko Cal. 6181 - 760

This Solar model from 1967 features a 40mm Hardlex-Coated Steel case. Powered by the 6181 caliber with 17j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-a09b49f00d37]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1967

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