Seiko Cal. 5689 - 540

The Seiko 5689-540 represents an important milestone in Seiko's 1998 lineup. Powered by the 5689 caliber with 21j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-a47ff6373427]

Also known as: Navigator, Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1998

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