Seiko Cal. 6613 - 291

The 6613-291 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-32725a57b5b7]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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