Seiko Cal. 5266 - 631

The Seiko 5266-631 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-ac49c5ca926a]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1966

Related Models

• Seiko 6376-327
• Seiko 6688-435
• Seiko 4488-541
• Seiko 6241-769
• Seiko 7019-313
• Seiko 4450-138
• Seiko 5627-871
• Seiko 5267-691
• Seiko 6219-991
• Seiko 5619-978
• Seiko 0773-737
• Seiko 7128-461