Seiko Cal. 4539 - 760

The Seiko 4539-760 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-cec85a5ae796]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1981

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