Seiko Cal. 4440 - 819

The 4440-819 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4440 caliber with 20j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-b451a9dea424]

Also known as: Samurai, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1977

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