Seiko Cal. 6131 - 999

This Kinetic model from 1987 features a 45mm Two-Tone case. Powered by the 6131 caliber with 28j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-16e0c77ceb70]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1987

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