Seiko Cal. 4594 - 981

Seiko 4594-981

This Automatic model from 1967 features a 45mm Titanium case. Powered by the 4594 caliber with 18j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-99d658463eca]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
14.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1967

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