Seiko Cal. 6645 - 905

The Seiko 6645-905 represents an important milestone in Seiko's 1998 lineup. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-50ac99355087]

Also known as: Samurai, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1998

Related Models

• Seiko 0788-297
• Seiko 4488-849
• Seiko 7052-801
• Seiko 7126-990
• Seiko 7151-882
• Seiko 6185-199
• Seiko 7137-188
• Seiko 7051-837
• Seiko 5252-801
• Seiko 7017-508
• Seiko 6241-270
• Seiko 5633-943