Seiko Cal. 4439 - 331

Seiko 4439-331

The 4439-331 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ca0b926cc036]

Also known as: Bullhead

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
40mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Cream
Jewels
35j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1980

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