Seiko Cal. 7055 - 664

The Seiko 7055-664 represents an important milestone in Seiko's 1966 lineup. Powered by the 7055 caliber with 20j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-f50026065be9]

Also known as: Navigator, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1966

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