Seiko Cal. 3890 - 721

This Quartz model from 1977 features a 39mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-5a4f7ba85347]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

Related Models

• Seiko 6353-536
• Seiko 4499-709
• Seiko 3847-507
• Seiko 6124-116
• Seiko 0788-936
• Seiko 5260-792
• Seiko 5639-944
• Seiko 7144-756
• Seiko 3889-374
• Seiko 7061-738
• Seiko 6156-668
• Seiko 4418-494