Seiko Cal. 6634 - 298

The 6634-298 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-78e841fdd4db]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1985

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