Seiko Cal. 6291 - 641

The Seiko 6291-641 represents an important milestone in Seiko's 1998 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-32b740dbc941]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1998

Related Models

• Seiko 5286-690
• Seiko 6166-208
• Seiko 6384-360
• Seiko 6626-747
• Seiko 5289-320
• Seiko 6661-616
• Seiko 6677-750
• Seiko 5262-372
• Seiko 5683-588
• Seiko 3841-951
• Seiko 7073-377
• Seiko 7088-328