Seiko Cal. 5643 - 711

The Seiko 5643-711 represents an important milestone in Seiko's 1987 lineup. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-7db8f7d89603]

Also known as: Shogun, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1987

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