Seiko Cal. 3861 - 664

This Hand-Winding model from 1975 features a 35mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-b86dd44814e5]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1975

Related Models

• Seiko 6669-223
• Seiko 3894-652
• Seiko 4521-407
• Seiko 7076-999
• Seiko 5634-722
• Seiko 7196-338
• Seiko 5632-662
• Seiko 0725-926
• Seiko 6253-668
• Seiko 4531-437
• Seiko 6667-957
• Seiko 3886-384