Seiko Cal. 6690 - 137

The Seiko 6690-137 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-6f3269300633]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1986

Related Models

• Seiko 4427-489
• Seiko 5614-358
• Seiko 7073-145
• Seiko 3886-184
• Seiko 6683-432
• Seiko 7180-876
• Seiko 6671-650
• Seiko 6311-373
• Seiko 0713-141
• Seiko 4499-853
• Seiko 6157-531
• Seiko 6112-313