Seiko Cal. 5643 - 450

The Seiko 5643-450 represents an important milestone in Seiko's 1965 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-280138b483e9]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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