Seiko Cal. 3860 - 656

This Quartz model from 1988 features a 37mm Stainless Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-47cc8a9068e7]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1988

Related Models

• Seiko 6225-490
• Seiko 4442-589
• Seiko 4514-305
• Seiko 0768-677
• Seiko 0743-264
• Seiko 7123-177
• Seiko 6143-312
• Seiko 5292-936
• Seiko 4591-978
• Seiko 7190-281
• Seiko 4573-499
• Seiko 0765-111