Seiko Cal. 6139 - 820

The Seiko 6139-820 represents an important milestone in Seiko's 1987 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-7e61af828edc]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

Related Models

• Seiko 3828-184
• Seiko 0787-389
• Seiko 6366-111
• Seiko 7052-591
• Seiko 0710-878
• Seiko 7119-641
• Seiko 0749-656
• Seiko 6239-322
• Seiko 7054-613
• Seiko 6350-633
• Seiko 3852-731
• Seiko 5220-932