Seiko Cal. 5641 - 643

This Automatic model from 1995 features a 42mm PVD Black case. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-08ca65cc9dbf]

Also known as: Sumo, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1995

Related Models

• Seiko 6637-615
• Seiko 6396-872
• Seiko 5221-840
• Seiko 6236-422
• Seiko 3850-685
• Seiko 3882-626
• Seiko 4552-787
• Seiko 6358-519
• Seiko 6115-563
• Seiko 7059-140
• Seiko 4431-270
• Seiko 3895-123