Seiko Cal. 7078 - 840

The Seiko 7078-840 represents an important milestone in Seiko's 1977 lineup. Powered by the 7078 caliber with 34j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-56a368cb6f34]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

Related Models

• Seiko 6396-543
• Seiko 4426-945
• Seiko 6636-187
• Seiko 5254-163
• Seiko 6633-528
• Seiko 5258-583
• Seiko 7127-746
• Seiko 4599-756
• Seiko 6337-176
• Seiko 7127-302
• Seiko 3829-737
• Seiko 4482-955