Seiko Cal. 6650 - 312

The Seiko 6650-312 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-050ba55dbbe9]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1985

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