Seiko Cal. 7039 - 331

Seiko 7039-331

The 7039-331 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7039 caliber with 19j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-88eed6472b9b]

Also known as: Bullhead, Helmet

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
8.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Cream
Jewels
19j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1986

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