Seiko Cal. 4452 - 442

The 4452-442 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-7e3a997678d8]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1983

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