Seiko Cal. 4532 - 437

Released in 1970, the Cal. 4532 with design code 437 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-01b32a3bb1bd]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1970

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