Seiko Cal. 5639 - 414

The 5639-414 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5639 caliber with 30j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-2b63cce5c875]

Also known as: Sumo, Pogue

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1987

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