Seiko Cal. 6616 - 230

This Hand-Winding model from 1970 features a 46mm Titanium case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-0a428ead6483]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1970

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