Seiko Cal. 6345 - 634

This Quartz model from 1981 features a 45mm PVD Black case. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-dcf44949f9bc]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1981

Related Models

• Seiko 7116-313
• Seiko 4562-919
• Seiko 6120-778
• Seiko 6168-464
• Seiko 6164-478
• Seiko 0765-202
• Seiko 7045-398
• Seiko 6131-225
• Seiko 6328-329
• Seiko 4511-289
• Seiko 6130-706
• Seiko 5218-284