Seiko Cal. 7031 - 659

This Hand-Winding model from 1985 features a 40mm Titanium case. Powered by the 7031 caliber with 19j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-1ba18d0b811c]

Also known as: Turtle, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1985

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