Seiko Cal. 7031 - 631

The Seiko 7031-631 represents an important milestone in Seiko's 1978 lineup. Powered by the 7031 caliber with 27j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-4677a53f0db7]

Also known as: Pogue, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1978

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