Seiko Cal. 5689 - 923

The Seiko 5689-923 represents an important milestone in Seiko's 1989 lineup. It features a White dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-7daa4553d4ab]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1989

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