Seiko Cal. 6689 - 757

This Hand-Winding model from 1989 features a 45mm Titanium case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a2a8aaaaf50d]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1989

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