Seiko Cal. 5686 - 903

This Hand-Winding model from 1969 features a 40mm Titanium case. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-b9743ebd5cbd]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1969

Related Models

• Seiko 6153-424
• Seiko 7016-574
• Seiko 6654-281
• Seiko 7191-575
• Seiko 6652-335
• Seiko 7183-576
• Seiko 6386-578
• Seiko 3868-891
• Seiko 4525-651
• Seiko 6697-184
• Seiko 6635-379
• Seiko 7011-595