Seiko Cal. 5691 - 143

The Seiko 5691-143 represents an important milestone in Seiko's 1998 lineup. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-6bf907ad5093]

Also known as: Sportsmatic, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1998

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