Seiko Cal. 3873 - 637

This Quartz model from 1976 features a 36mm Gold-Plated case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-53f0d8bb63c1]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1976

Related Models

• Seiko 5291-144
• Seiko 7111-835
• Seiko 6192-737
• Seiko 0774-614
• Seiko 7015-628
• Seiko 7119-623
• Seiko 6671-731
• Seiko 6363-244
• Seiko 6677-260
• Seiko 6626-184
• Seiko 7120-961
• Seiko 7066-808