Seiko Cal. 5270 - 439

The Seiko 5270-439 represents an important milestone in Seiko's 1975 lineup. Powered by the 5270 caliber with 31j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-d6aca0d6c4d6]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

Related Models

• Seiko 6227-826
• Seiko 0775-819
• Seiko 4558-616
• Seiko 0715-911
• Seiko 5221-614
• Seiko 6675-832
• Seiko 7014-508
• Seiko 4591-292
• Seiko 5683-424
• Seiko 6188-458
• Seiko 4595-676
• Seiko 3819-776