Seiko Cal. 6143 - 906

Released in 1968, the Cal. 6143 with design code 906 was part of Seiko's domestic market collection. With its 19mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-7c796ba08fa7]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1968

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