Seiko Cal. 4486 - 742

The 4486-742 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-46a6c1786e0c]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1998

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