Seiko Cal. 3873 - 555

The Seiko 3873-555 represents an important milestone in Seiko's 1967 lineup. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-134aa5168452]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1967

Related Models

• Seiko 6694-153
• Seiko 4481-997
• Seiko 3846-653
• Seiko 3872-673
• Seiko 6169-395
• Seiko 6192-753
• Seiko 7142-835
• Seiko 7048-638
• Seiko 6134-943
• Seiko 6673-597
• Seiko 6643-328
• Seiko 6672-182