Seiko Cal. 6616 - 903

This Hand-Winding model from 1988 features a 45mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-58b22803167e]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1988

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