Seiko Cal. 4445 - 557

The 4445-557 is a sought-after Solar piece from Seiko's golden era. Powered by the 4445 caliber with 18j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-16ef57200636]

Also known as: Turtle, Shogun

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1999

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