Seiko Cal. 4450 - 537

The Seiko 4450-537 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-2a5732cb93a4]

Also known as: Rally, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1986

Related Models

• Seiko 4416-371
• Seiko 0745-982
• Seiko 6621-292
• Seiko 6372-479
• Seiko 7081-344
• Seiko 6392-917
• Seiko 0752-415
• Seiko 6676-157
• Seiko 3835-955
• Seiko 7155-516
• Seiko 6391-119
• Seiko 6112-531