Seiko Cal. 3880 - 370

The 3880-370 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-ee0496ede038]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

Related Models

• Seiko 6650-334
• Seiko 6691-582
• Seiko 7170-581
• Seiko 0715-858
• Seiko 5640-809
• Seiko 7067-549
• Seiko 6641-491
• Seiko 5661-210
• Seiko 4416-438
• Seiko 6686-867
• Seiko 4433-262
• Seiko 4557-197