Seiko Cal. 5641 - 604

The 5641-604 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-d19c5cbabbff]

Also known as: Silverwave, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1981

Related Models

• Seiko 7143-901
• Seiko 7138-708
• Seiko 6244-976
• Seiko 4483-479
• Seiko 3815-979
• Seiko 4428-556
• Seiko 3852-836
• Seiko 6328-550
• Seiko 7184-530
• Seiko 4420-282
• Seiko 6311-362
• Seiko 4579-308