Seiko Cal. 6240 - 231

The Seiko 6240-231 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-7f6b09fe6325]

Also known as: UFO, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1989

Related Models

• Seiko 7026-704
• Seiko 6176-383
• Seiko 7196-604
• Seiko 6270-462
• Seiko 6262-791
• Seiko 6382-600
• Seiko 6698-187
• Seiko 4448-733
• Seiko 6622-729
• Seiko 0790-833
• Seiko 7151-940
• Seiko 6338-869