Seiko Cal. 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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