Seiko Cal. 6336 - 661

The 6336-661 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ecb6da9c2ccc]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1976

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