Seiko Cal. 6139 - 595

The Seiko 6139-595 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-cb824ae75b87]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1978

Related Models

• Seiko 6331-157
• Seiko 4512-920
• Seiko 6635-155
• Seiko 7176-563
• Seiko 6168-242
• Seiko 4584-531
• Seiko 0742-446
• Seiko 4567-470
• Seiko 5261-294
• Seiko 5239-102
• Seiko 6381-231
• Seiko 3873-516