Seiko Cal. 6646 - 351

The Seiko 6646-351 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-853914ac7649]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1990

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