Seiko Cal. 6683 - 599

Seiko 6683-599

This Hand-Winding model from 1984 features a 37mm Hardlex-Coated Steel case. Powered by the 6683 caliber with 33j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-e6a4a8822e8c]

Also known as: Tuna, Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Champagne
Jewels
33j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1984

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