Seiko Cal. 4539 - 479

This Spring Drive model from 1977 features a 36mm Titanium case. With its 20mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-53a65c0e1b3d]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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