Seiko Cal. 4539 - 905

The 4539-905 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4539 caliber with 35j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-549cc8cfc348]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1973

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