Seiko Cal. 6142 - 773

This Spring Drive model from 1978 features a 43mm Stainless Steel case. Powered by the 6142 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2e59754b1e1e]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1978

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