Seiko Cal. 4490 - 827

This Solar model from 1970 features a 37mm PVD Black case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-24cd271afb0d]

Also known as: Bellmatic, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1970

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