Seiko Cal. 4491 - 623

Seiko 4491-623

The 4491-623 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4491 caliber with 22j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-0e98ffaf6456]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Cream
Jewels
22j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1972

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