Seiko Cal. 7031 - 150

The Seiko 7031-150 represents an important milestone in Seiko's 1992 lineup. Powered by the 7031 caliber with 32j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-a79392e9a052]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1992

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