Seiko Cal. 6313 - 203

The Seiko 6313-203 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-10cb1759da18]

Also known as: Samurai, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

Related Models

• Seiko 6132-925
• Seiko 4597-151
• Seiko 5233-747
• Seiko 7041-591
• Seiko 4411-575
• Seiko 6139-329
• Seiko 7088-390
• Seiko 5250-705
• Seiko 6198-540
• Seiko 7066-781
• Seiko 6239-137
• Seiko 5270-399