Seiko Cal. 4473 - 255

The Seiko 4473-255 represents an important milestone in Seiko's 1975 lineup. Powered by the 4473 caliber with 29j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-f2d1ec6ad371]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

Related Models

• Seiko 3817-244
• Seiko 7138-609
• Seiko 7063-880
• Seiko 6691-693
• Seiko 5664-233
• Seiko 5685-476
• Seiko 5256-742
• Seiko 6338-470
• Seiko 4516-274
• Seiko 4465-310
• Seiko 7051-699
• Seiko 6296-449