Seiko Cal. 5271 - 247

The Seiko 5271-247 represents an important milestone in Seiko's 1980 lineup. Powered by the 5271 caliber with 23j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-024eeab8fc3e]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1980

Related Models

• Seiko 6625-979
• Seiko 3895-863
• Seiko 5286-956
• Seiko 0775-928
• Seiko 5612-534
• Seiko 5650-764
• Seiko 4595-855
• Seiko 7020-592
• Seiko 0772-409
• Seiko 7159-253
• Seiko 6648-293
• Seiko 7138-342