Seiko Cal. 6618 - 516

The Seiko 6618-516 represents an important milestone in Seiko's 1978 lineup. Powered by the 6618 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-0864ca57ad8f]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1978

Related Models

• Seiko 0719-831
• Seiko 4458-834
• Seiko 6331-286
• Seiko 6350-744
• Seiko 6229-727
• Seiko 0759-437
• Seiko 6278-686
• Seiko 4546-685
• Seiko 6228-747
• Seiko 5633-115
• Seiko 5299-305
• Seiko 4579-618