Seiko Cal. 7031 - 902

This Spring Drive model from 1980 features a 35mm PVD Black case. Powered by the 7031 caliber with 30j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-f9f4c0020c5f]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1980

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