Seiko Cal. 4439 - 430

Seiko 4439-430

The 4439-430 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-52a1e56e2773]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
White
Jewels
17j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1980

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