Seiko Cal. 4440 - 904

The 4440-904 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-d816e41d8d80]

Also known as: Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

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