Seiko Cal. 6139 - 254

This Quartz model from 1974 features a 45mm Hardlex-Coated Steel case. Powered by the 6139 caliber with 33j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-d9beb9f75731]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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