Seiko Cal. 5666 - 815

The Seiko 5666-815 represents an important milestone in Seiko's 1976 lineup. Powered by the 5666 caliber with 36j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-770f08a2c254]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

Related Models

• Seiko 0767-388
• Seiko 5612-555
• Seiko 6272-414
• Seiko 5237-752
• Seiko 6663-872
• Seiko 7149-571
• Seiko 3833-466
• Seiko 7088-598
• Seiko 7154-690
• Seiko 6625-997
• Seiko 7130-233
• Seiko 5664-511