Seiko Cal. 5617 - 566

This Solar model from 1977 features a 39mm Hardlex-Coated Steel case. Powered by the 5617 caliber with 18j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-4884ca24e03a]

Also known as: UFO, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1977

Related Models

• Seiko 0776-111
• Seiko 6313-358
• Seiko 7186-888
• Seiko 0765-927
• Seiko 4432-860
• Seiko 3821-354
• Seiko 4520-712
• Seiko 6339-646
• Seiko 6113-919
• Seiko 6111-610
• Seiko 5216-794
• Seiko 7178-516