Seiko Cal. 6310 - 722

This Automatic model from 1993 features a 36mm PVD Black case. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-3df79defc5c6]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1993

Related Models

• Seiko 0736-768
• Seiko 4455-899
• Seiko 7177-327
• Seiko 7027-786
• Seiko 0756-690
• Seiko 6210-735
• Seiko 6635-432
• Seiko 6128-513
• Seiko 6686-974
• Seiko 6127-291
• Seiko 4562-429
• Seiko 4499-359