Seiko Cal. 4539 - 721

Seiko 4539-721

The 4539-721 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-6fa05b862714]

Also known as: Shogun, Bellmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
44mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
30m
Dial Color
White
Jewels
22j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1973

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