Seiko Cal. 7031 - 237

The Seiko 7031-237 represents an important milestone in Seiko's 1991 lineup. Powered by the 7031 caliber with 33j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-911725de3e7c]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1991

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