Seiko Cal. 6129 - 122

This Spring Drive model from 1977 features a 39mm Hardlex-Coated Steel case. Powered by the 6129 caliber with 33j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-75f01fe1449b]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1977

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