Seiko Cal. 5660 - 743

The 5660-743 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-59cd3bf21468]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1997

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