Seiko Cal. 4561 - 743

The 4561-743 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-be114cb4d2d4]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1988

Related Models

• Seiko 4496-856
• Seiko 6237-224
• Seiko 4598-278
• Seiko 5640-203
• Seiko 7157-738
• Seiko 0747-660
• Seiko 5274-525
• Seiko 6190-728
• Seiko 7131-626
• Seiko 7094-726
• Seiko 6650-322
• Seiko 3865-942