Seiko Cal. 6239 - 633

Seiko 6239-633

The 6239-633 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6239 caliber with 21j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-c6e791f65064]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
9.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Burgundy
Jewels
21j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1988

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seikata-wm-c6e791f65064