Seiko Cal. 4551 - 398

This Hand-Winding model from 1970 features a 44mm Stainless Steel case. Powered by the 4551 caliber with 31j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-bf7a5279db4a]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1970

Related Models

• Seiko 4414-263
• Seiko 3870-263
• Seiko 4470-586
• Seiko 5690-753
• Seiko 6138-227
• Seiko 6390-716
• Seiko 6360-327
• Seiko 7025-425
• Seiko 4512-552
• Seiko 6330-767
• Seiko 5232-280
• Seiko 4544-413