Seiko Cal. 6643 - 872

The 6643-872 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-a7dc6f23f445]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1984

Related Models

• Seiko 6674-683
• Seiko 4556-311
• Seiko 4532-233
• Seiko 7013-446
• Seiko 5281-944
• Seiko 6233-964
• Seiko 6332-900
• Seiko 6317-119
• Seiko 0783-168
• Seiko 6670-544
• Seiko 3878-925
• Seiko 6345-572