Seiko Cal. 6649 - 639

The Seiko 6649-639 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c9367867c854]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1987

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