Seiko Cal. 3851 - 366

The 3851-366 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3851 caliber with 25j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-2fb470c3a755]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1973

Related Models

• Seiko 6142-415
• Seiko 3884-233
• Seiko 7119-585
• Seiko 7027-455
• Seiko 6363-348
• Seiko 6134-828
• Seiko 4486-318
• Seiko 6191-789
• Seiko 6636-353
• Seiko 0742-845
• Seiko 7045-764
• Seiko 6114-576