Seiko Cal. 6645 - 356

Released in 1997, the Cal. 6645 with design code 356 was part of Seiko's domestic market collection. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6036af44eb2a]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1997

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