Seiko Cal. 4593 - 866

Seiko 4593-866

The Seiko 4593-866 represents an important milestone in Seiko's 1970 lineup. Powered by the 4593 caliber with 18j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-3767c7328fb5]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
40mm
Case Thickness
9.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
190m
Dial Color
White
Jewels
18j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1970

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