Seiko Cal. 6639 - 339

Seiko 6639-339

The 6639-339 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6639 caliber with 31j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-ce136dc14376]

Also known as: Sea Horse

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1995

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seikata-wm-ce136dc14376