Seiko Cal. 5643 - 494

The Seiko 5643-494 represents an important milestone in Seiko's 1983 lineup. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-6427fa6badbb]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1983

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