Seiko Cal. 0731 - 286

The Seiko 0731-286 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-1ad5dab7f78e]

Also known as: Turtle, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1968

Related Models

• Seiko 6680-109
• Seiko 6314-855
• Seiko 5235-925
• Seiko 7156-844
• Seiko 7187-146
• Seiko 6166-215
• Seiko 6387-414
• Seiko 5645-132
• Seiko 6111-949
• Seiko 6119-301
• Seiko 5633-459
• Seiko 3892-660