Seiko Cal. 6147 - 729

The Seiko 6147-729 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-5c9319773fd3]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1972

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