Seiko Cal. 7020 - 931

This Spring Drive model from 1988 features a 44mm PVD Black case. Powered by the 7020 caliber with 34j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-b62880275f50]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1988

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