Seiko Cal. 4451 - 975

The 4451-975 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4451 caliber with 21j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-be69059a83ef]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1967

Related Models

• Seiko 6143-280
• Seiko 5694-987
• Seiko 5279-554
• Seiko 5249-424
• Seiko 5226-430
• Seiko 6126-650
• Seiko 6276-200
• Seiko 6262-622
• Seiko 6640-700
• Seiko 0762-814
• Seiko 6366-864
• Seiko 6272-482