Seiko Cal. 6143 - 971

The 6143-971 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6143 caliber with 33j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-b31f3bf40140]

Also known as: Monster, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1985

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