Seiko Cal. 5641 - 743

The Seiko 5641-743 represents an important milestone in Seiko's 1980 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-d3b7850f3690]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1980

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