Seiko Cal. 3866 - 628

The 3866-628 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-33d213cd9bfd]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1968

Related Models

• Seiko 3833-364
• Seiko 7168-776
• Seiko 6322-427
• Seiko 3845-316
• Seiko 0714-220
• Seiko 4595-481
• Seiko 3888-400
• Seiko 5253-360
• Seiko 5651-895
• Seiko 3856-116
• Seiko 0748-900
• Seiko 6223-316