Seiko Cal. 3890 - 716

This Automatic model from 1974 features a 34mm Hardlex-Coated Steel case. Powered by the 3890 caliber with 36j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-418c519de8f9]

Also known as: Rally, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1974

Related Models

• Seiko 6633-726
• Seiko 6270-616
• Seiko 7173-281
• Seiko 5660-241
• Seiko 3876-660
• Seiko 6112-127
• Seiko 6627-709
• Seiko 3882-264
• Seiko 6343-499
• Seiko 5621-914
• Seiko 5665-518
• Seiko 5616-806