Seiko Cal. 3838 - 866

The 3838-866 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-bcae424cfab3]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

Related Models

• Seiko 6613-223
• Seiko 5281-947
• Seiko 4443-130
• Seiko 3882-702
• Seiko 6386-177
• Seiko 6666-386
• Seiko 7067-490
• Seiko 5675-513
• Seiko 3812-454
• Seiko 5238-250
• Seiko 0789-317
• Seiko 4484-301