Seiko Cal. 6672 - 740

The 6672-740 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a46cc0650dc2]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1968

Related Models

• Seiko 6384-501
• Seiko 4524-208
• Seiko 0764-578
• Seiko 0759-773
• Seiko 6157-918
• Seiko 5225-840
• Seiko 7110-986
• Seiko 3819-327
• Seiko 5644-807
• Seiko 5292-763
• Seiko 4528-210
• Seiko 7059-386