Seiko Cal. 4543 - 764

This Hand-Winding model from 1967 features a 39mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-97ae871589d2]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1967

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