Seiko Cal. 4556 - 727

The 4556-727 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4556 caliber with 29j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-5e13667aa222]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1993

Related Models

• Seiko 6362-174
• Seiko 4589-674
• Seiko 6226-180
• Seiko 6668-800
• Seiko 6181-391
• Seiko 7159-800
• Seiko 4410-805
• Seiko 6176-288
• Seiko 4523-194
• Seiko 4526-455
• Seiko 6175-671
• Seiko 6151-102