Seiko Cal. 5277 - 663

The Seiko 5277-663 represents an important milestone in Seiko's 1971 lineup. Powered by the 5277 caliber with 18j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-bc5badf2663e]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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