Seiko Cal. 5239 - 957

The Seiko 5239-957 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-868da9d2c6fd]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1976

Related Models

• Seiko 6242-860
• Seiko 6260-526
• Seiko 5265-359
• Seiko 3899-812
• Seiko 7021-591
• Seiko 6651-246
• Seiko 6256-808
• Seiko 7035-776
• Seiko 6248-163
• Seiko 4486-459
• Seiko 6284-616
• Seiko 0789-953