Seiko Cal. 5633 - 440

The 5633-440 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-8600f416bf48]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1988

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