Seiko Cal. 6691 - 596

This Kinetic model from 1987 features a 39mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-4e4424b494a6]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1987

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