Seiko Cal. 4447 - 539

Seiko 4447-539

The 4447-539 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-3317222c7a84]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
110m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1967

Related Models

seikata-wm-3317222c7a84