Seiko Cal. 6643 - 756

The Seiko 6643-756 represents an important milestone in Seiko's 1995 lineup. It features a Cream dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-4e7c2df5dcd3]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1995

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