Seiko Cal. 5656 - 585

This Hand-Winding model from 1983 features a 34mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-3586d484e013]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1983

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