Seiko Cal. 7031 - 981

The Seiko 7031-981 represents an important milestone in Seiko's 1995 lineup. Powered by the 7031 caliber with 27j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-79a979c264bd]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1995

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