Seiko Cal. 6650 - 990

The Seiko 6650-990 represents an important milestone in Seiko's 1995 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8c9bba18c095]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1995

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