Seiko Cal. 6620 - 578

This Hand-Winding model from 1974 features a 35mm Titanium case. It features a Burgundy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-20893c31e73d]

Also known as: Crown, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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