Seiko Cal. 6239 - 337

Seiko 6239-337

This Spring Drive model from 1979 features a 35mm Hardlex-Coated Steel case. Powered by the 6239 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-3cc74ca1f349]

Also known as: Monster, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
15.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
140m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1979

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