Seiko Cal. 7031 - 759

The 7031-759 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7031 caliber with 29j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-418d6295cbb9]

Also known as: Monster, Shogun

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1981

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