Seiko Cal. 7131 - 986

This Hand-Winding model from 1986 features a 39mm Titanium case. Powered by the 7131 caliber with 24j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-70bffd8a0698]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1986

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