Seiko Cal. 6634 - 749

The Seiko 6634-749 represents an important milestone in Seiko's 1998 lineup. It features a Green dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-688c9375a22d]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1998

Related Models

• Seiko 6654-337
• Seiko 0721-584
• Seiko 5665-639
• Seiko 6239-619
• Seiko 3823-667
• Seiko 6634-413
• Seiko 0757-902
• Seiko 6226-925
• Seiko 7195-381
• Seiko 7119-329
• Seiko 6318-525
• Seiko 5278-366