Seiko Cal. 4594 - 777

Seiko 4594-777

The Seiko 4594-777 represents an important milestone in Seiko's 1975 lineup. Powered by the 4594 caliber with 27j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-cb8f0ea41b5e]

Also known as: Monster, Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.7mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
200m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1975

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