Seiko Cal. 6139 - 815

The Seiko 6139-815 represents an important milestone in Seiko's 1984 lineup. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-568247562cf1]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1984

Related Models

• Seiko 6156-696
• Seiko 5221-788
• Seiko 6271-374
• Seiko 6663-530
• Seiko 7157-449
• Seiko 6168-446
• Seiko 6629-264
• Seiko 6396-287
• Seiko 5675-879
• Seiko 3891-879
• Seiko 5227-600
• Seiko 4529-849