Seiko Cal. 5643 - 618

The Seiko 5643-618 represents an important milestone in Seiko's 1989 lineup. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-f5cbc37d1e63]

Also known as: Shogun, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1989

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