Seiko Cal. 3821 - 724

This Hand-Winding model from 1972 features a 34mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-1d370277c7ee]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1972

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