Seiko Cal. 6331 - 240

The Seiko 6331-240 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b9290487bbc2]

Also known as: Rally, Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1982

Related Models

• Seiko 6198-313
• Seiko 6356-926
• Seiko 5629-485
• Seiko 4415-548
• Seiko 0788-331
• Seiko 5226-310
• Seiko 7083-900
• Seiko 3810-284
• Seiko 6290-113
• Seiko 6634-260
• Seiko 4448-264
• Seiko 6236-908