Seiko Cal. 6691 - 772

The 6691-772 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-c2baec3cc963]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1973

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