Seiko Cal. 0783 - 271

The Seiko 0783-271 represents an important milestone in Seiko's 1977 lineup. Powered by the 0783 caliber with 28j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-ec8662aad9c5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1977

Related Models

• Seiko 6359-965
• Seiko 6147-383
• Seiko 0791-827
• Seiko 7174-188
• Seiko 0762-246
• Seiko 5689-936
• Seiko 5656-926
• Seiko 4466-145
• Seiko 4480-965
• Seiko 5285-287
• Seiko 4417-940
• Seiko 6618-980