Seiko Cal. 7031 - 107

The Seiko 7031-107 represents an important milestone in Seiko's 1979 lineup. Powered by the 7031 caliber with 33j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-6cec9f5f61d5]

Also known as: Turtle, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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