Seiko Cal. 6620 - 937

This Hand-Winding model from 1970 features a 36mm Titanium case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-e0b0d31ea7ed]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1970

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