Seiko Cal. 7031 - 370

This Solar model from 1992 features a 40mm PVD Black case. Powered by the 7031 caliber with 32j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-87a0d1ad1050]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1992

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