Seiko Cal. 6667 - 748

The 6667-748 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-dbcb6ff82fa2]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1975

Related Models

• Seiko 7077-887
• Seiko 4451-562
• Seiko 4593-102
• Seiko 6176-890
• Seiko 6117-504
• Seiko 3814-920
• Seiko 4434-763
• Seiko 7052-877
• Seiko 4582-446
• Seiko 7130-701
• Seiko 4470-741
• Seiko 5633-429