Seiko Cal. 6331 - 898

The Seiko 6331-898 represents an important milestone in Seiko's 1997 lineup. Powered by the 6331 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-d1e6eb14ef7f]

Also known as: Helmet, Goldfeather

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1997

Related Models

• Seiko 6249-742
• Seiko 6255-154
• Seiko 7097-774
• Seiko 4413-686
• Seiko 3849-542
• Seiko 4591-230
• Seiko 6263-615
• Seiko 7159-867
• Seiko 7039-902
• Seiko 3880-935
• Seiko 0765-155
• Seiko 5669-654