Seiko Cal. 6691 - 224

The 6691-224 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-ef3d4563bfd7]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1978

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