Seiko Cal. 7120 - 648

The Seiko 7120-648 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-6bb23acca58c]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1987

Related Models

• Seiko 6154-308
• Seiko 3828-729
• Seiko 6647-842
• Seiko 7128-568
• Seiko 6164-540
• Seiko 5245-538
• Seiko 6162-401
• Seiko 6234-579
• Seiko 3821-189
• Seiko 7036-490
• Seiko 6665-349
• Seiko 0728-756