Seiko Cal. 6641 - 646

The Seiko 6641-646 represents an important milestone in Seiko's 1995 lineup. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-6ad3474b24dc]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1995

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