Seiko Cal. 7031 - 443

The Seiko 7031-443 represents an important milestone in Seiko's 1980 lineup. Powered by the 7031 caliber with 22j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-05f80cab2af7]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1980

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