Seiko Cal. 6659 - 932

This Hand-Winding model from 1977 features a 37mm Titanium case. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-b093bc1ea90d]

Also known as: Bullhead, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1977

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