Seiko Cal. 5642 - 339

The 5642-339 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5642 caliber with 30j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-44c5fd3e7c91]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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