Seiko Cal. 3871 - 732

The Seiko 3871-732 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8281e963a0a4]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

Related Models

• Seiko 0798-109
• Seiko 4524-908
• Seiko 6340-954
• Seiko 4569-645
• Seiko 0751-121
• Seiko 3832-998
• Seiko 5257-870
• Seiko 6250-829
• Seiko 6621-990
• Seiko 6685-884
• Seiko 0717-602
• Seiko 7151-512