Seiko Cal. 6278 - 540

The Seiko 6278-540 represents an important milestone in Seiko's 1985 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4c39069e5777]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1985

Related Models

• Seiko 4525-320
• Seiko 7091-146
• Seiko 6675-695
• Seiko 6612-219
• Seiko 3848-278
• Seiko 4497-815
• Seiko 6632-848
• Seiko 7024-544
• Seiko 6136-675
• Seiko 6184-825
• Seiko 7126-308
• Seiko 5247-350