Seiko Cal. 6641 - 738

The Seiko 6641-738 represents an important milestone in Seiko's 1995 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9a2310ae42ad]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1995

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