Seiko Cal. 4523 - 791

The Seiko 4523-791 represents an important milestone in Seiko's 1977 lineup. Powered by the 4523 caliber with 20j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-b73dcbb9dad4]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1977

Related Models

• Seiko 5650-616
• Seiko 6254-639
• Seiko 6132-293
• Seiko 5688-818
• Seiko 6225-441
• Seiko 6693-396
• Seiko 3874-222
• Seiko 7180-765
• Seiko 4525-559
• Seiko 7067-983
• Seiko 6218-385
• Seiko 6138-879