Seiko Cal. 4457 - 833

The Seiko 4457-833 represents an important milestone in Seiko's 1976 lineup. Powered by the 4457 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-7e82c7af04fd]

Also known as: Sumo, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

Related Models

• Seiko 3851-650
• Seiko 7099-569
• Seiko 0730-910
• Seiko 5247-382
• Seiko 7069-941
• Seiko 6390-341
• Seiko 6111-160
• Seiko 4421-201
• Seiko 0740-934
• Seiko 5280-960
• Seiko 6630-603
• Seiko 4543-506