Seiko Cal. 6691 - 650

This Automatic model from 1982 features a 44mm Titanium case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-c730bef02e80]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1982

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