Seiko Cal. 5288 - 645

The Seiko 5288-645 represents an important milestone in Seiko's 1972 lineup. Powered by the 5288 caliber with 30j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-5c5e4c75a8b2]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

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