Seiko Cal. 6641 - 280

The Seiko 6641-280 represents an important milestone in Seiko's 1994 lineup. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-d513b31ef56c]

Also known as: Shogun, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1994

Related Models

• Seiko 4423-758
• Seiko 7186-280
• Seiko 6657-630
• Seiko 7051-758
• Seiko 0728-752
• Seiko 6326-462
• Seiko 4479-215
• Seiko 7035-869
• Seiko 6284-547
• Seiko 6635-406
• Seiko 6323-526
• Seiko 4573-195