Seiko Cal. 6641 - 412

The Seiko 6641-412 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-96dac892ef36]

Also known as: Panda, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1975

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