Seiko Cal. 6140 - 881

The Seiko 6140-881 represents an important milestone in Seiko's 1968 lineup. Powered by the 6140 caliber with 33j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-c10ea6cfd277]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1968

Related Models

• Seiko 3816-603
• Seiko 4586-193
• Seiko 7118-257
• Seiko 7085-198
• Seiko 6255-762
• Seiko 5221-826
• Seiko 7050-159
• Seiko 7138-999
• Seiko 0758-910
• Seiko 4431-349
• Seiko 5671-437
• Seiko 6646-389