Seiko Cal. 3887 - 312

This Hand-Winding model from 1995 features a 34mm Stainless Steel case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6546afaf7c99]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1995

Related Models

• Seiko 7087-250
• Seiko 6237-444
• Seiko 6613-842
• Seiko 4537-527
• Seiko 4491-417
• Seiko 6388-270
• Seiko 6695-455
• Seiko 5640-336
• Seiko 0797-840
• Seiko 5243-909
• Seiko 0712-240
• Seiko 6377-602