Seiko Cal. 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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