Seiko Cal. 3866 - 988

This Quartz model from 1972 features a 38mm Two-Tone case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-5c4fe47df736]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

Related Models

• Seiko 0741-325
• Seiko 6334-711
• Seiko 6357-211
• Seiko 6264-563
• Seiko 7168-557
• Seiko 6267-122
• Seiko 6640-255
• Seiko 4570-548
• Seiko 6197-839
• Seiko 5216-386
• Seiko 4539-970
• Seiko 3837-560