Seiko Cal. 6140 - 539

Released in 1965, the Cal. 6140 with design code 539 was part of Seiko's domestic market collection. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-7b3e0edb55bb]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

Related Models

• Seiko 6686-816
• Seiko 7199-733
• Seiko 0790-195
• Seiko 6364-711
• Seiko 6232-272
• Seiko 6193-379
• Seiko 4585-601
• Seiko 7038-693
• Seiko 7168-632
• Seiko 6219-524
• Seiko 0789-673
• Seiko 0763-999