Seiko Cal. 5688 - 866

This Solar model from 1969 features a 42mm Titanium case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-8d6f8ad03dc8]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1969

Related Models

• Seiko 4448-544
• Seiko 7131-388
• Seiko 6628-953
• Seiko 7052-243
• Seiko 4429-801
• Seiko 6666-645
• Seiko 5236-974
• Seiko 0754-444
• Seiko 3871-309
• Seiko 6395-665
• Seiko 6267-690
• Seiko 6248-756