Seiko Cal. 7081 - 766

The 7081-766 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7081 caliber with 20j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-b9d08622b280]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1975

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