Seiko Cal. 4451 - 273

The 4451-273 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-fe389d7ef823]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1965

Related Models

• Seiko 7084-120
• Seiko 7047-610
• Seiko 6277-615
• Seiko 4419-869
• Seiko 7123-158
• Seiko 6658-264
• Seiko 0767-633
• Seiko 7165-832
• Seiko 6611-553
• Seiko 7045-771
• Seiko 4498-211
• Seiko 5255-623