Seiko Cal. 4539 - 405

The 4539-405 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-ab4a901ca8d6]

Also known as: Sea Horse, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1990

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