Seiko Cal. 5663 - 885

This Spring Drive model from 1989 features a 41mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-71ac4c4e5a36]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1989

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