Seiko Cal. 6390 - 289

This Spring Drive model from 1995 features a 43mm Titanium case. Powered by the 6390 caliber with 34j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-21bba04fe325]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1995

Related Models

• Seiko 4434-357
• Seiko 7130-728
• Seiko 0761-941
• Seiko 5293-406
• Seiko 5289-585
• Seiko 6356-722
• Seiko 6335-779
• Seiko 6121-874
• Seiko 4581-278
• Seiko 6146-353
• Seiko 6288-923
• Seiko 4467-800