Seiko Cal. 4439 - 398

Seiko 4439-398

The 4439-398 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-88c0231402b4]

Also known as: Sumo, Panda

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
34j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1989

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seikata-wm-88c0231402b4