Seiko Cal. 6381 - 343

The 6381-343 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-1086334b7bff]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1969

Related Models

• Seiko 7044-962
• Seiko 5613-467
• Seiko 4427-682
• Seiko 5678-611
• Seiko 5650-434
• Seiko 7131-787
• Seiko 3882-364
• Seiko 4582-436
• Seiko 7179-103
• Seiko 5228-535
• Seiko 4467-731
• Seiko 5677-647