Seiko Cal. 5659 - 621

This Hand-Winding model from 1978 features a 40mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-ccdc566b2efb]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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