Seiko Cal. 6634 - 229

The Seiko 6634-229 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-86b6ec1452a5]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1980

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