Seiko Cal. 4413 - 903

The 4413-903 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-28a143bee7df]

Also known as: Shogun, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1986

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