Seiko Cal. 5660 - 620

This Quartz model from 1969 features a 39mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-813a0427c0d9]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1969

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