Seiko Cal. 6650 - 183

This Spring Drive model from 1972 features a 37mm Hardlex-Coated Steel case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7ecee61b95a5]

Also known as: Samurai, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1972

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