Seiko Cal. 7031 - 798

The Seiko 7031-798 represents an important milestone in Seiko's 1966 lineup. Powered by the 7031 caliber with 20j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-2b420908726f]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1966

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