Seiko Cal. 4551 - 723

The Seiko 4551-723 represents an important milestone in Seiko's 1972 lineup. Powered by the 4551 caliber with 20j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-a93f4854975a]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

Related Models

• Seiko 4454-328
• Seiko 6145-346
• Seiko 6198-830
• Seiko 4420-608
• Seiko 0749-987
• Seiko 5248-962
• Seiko 5224-466
• Seiko 7083-877
• Seiko 5292-844
• Seiko 6128-381
• Seiko 5299-581
• Seiko 0792-855