Seiko Cal. 6650 - 510

This Hand-Winding model from 1969 features a 35mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-769434bd8916]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1969

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