Seiko Cal. 4547 - 740

Seiko 4547-740

This Hand-Winding model from 1965 features a 45mm Stainless Steel case. Powered by the 4547 caliber with 33j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-837089c1ae47]

Also known as: World Timer, Emperor

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Cream
Jewels
33j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1965

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seikata-wm-837089c1ae47