Seiko Cal. 5239 - 577

The Seiko 5239-577 represents an important milestone in Seiko's 1976 lineup. Powered by the 5239 caliber with 30j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-9d31910de89d]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1976

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