Seiko Cal. 3866 - 986

The 3866-986 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-aeca55e680e3]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1971

Related Models

• Seiko 4546-905
• Seiko 4481-885
• Seiko 7140-444
• Seiko 3867-672
• Seiko 5692-578
• Seiko 7110-621
• Seiko 5674-938
• Seiko 7199-977
• Seiko 6211-887
• Seiko 4467-405
• Seiko 5652-143
• Seiko 6145-476