Seiko Cal. 6240 - 411

The Seiko 6240-411 represents an important milestone in Seiko's 1975 lineup. Powered by the 6240 caliber with 36j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-b36139934b0c]

Also known as: Bellmatic, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

Related Models

• Seiko 7155-748
• Seiko 6126-820
• Seiko 7140-399
• Seiko 6238-301
• Seiko 5611-163
• Seiko 3887-262
• Seiko 4577-269
• Seiko 7189-651
• Seiko 5647-510
• Seiko 5685-710
• Seiko 4411-667
• Seiko 4555-376