Seiko Cal. 5650 - 441

This Hand-Winding model from 1976 features a 37mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-6f3c261f14f4]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1976

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