Seiko Cal. 6172 - 957

The 6172-957 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6172 caliber with 25j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-267e714ffcc0]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1976

Related Models

• Seiko 6313-985
• Seiko 6329-816
• Seiko 0766-460
• Seiko 5265-586
• Seiko 7017-706
• Seiko 7033-103
• Seiko 6346-189
• Seiko 7115-797
• Seiko 5246-876
• Seiko 0751-362
• Seiko 3843-551
• Seiko 3867-255