Seiko Cal. 6240 - 255

This Spring Drive model from 1991 features a 37mm Titanium case. With its 20mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-cebe674e64b0]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1991

Related Models

• Seiko 6258-994
• Seiko 5626-381
• Seiko 7061-526
• Seiko 4536-767
• Seiko 6395-291
• Seiko 0729-306
• Seiko 6270-910
• Seiko 4468-247
• Seiko 7078-519
• Seiko 0758-957
• Seiko 6173-298
• Seiko 6253-598