Seiko Cal. 6689 - 433

Released in 1965, the Cal. 6689 with design code 433 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-43ae46ef4d9f]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1965

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