Seiko Cal. 6143 - 837

The 6143-837 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6143 caliber with 22j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-2f3dd9998f0d]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1973

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