Seiko Cal. 6143 - 149

The Seiko 6143-149 represents an important milestone in Seiko's 1977 lineup. Powered by the 6143 caliber with 19j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-18f96822116a]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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