Seiko Cal. 6257 - 691

The Seiko 6257-691 represents an important milestone in Seiko's 1991 lineup. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-34e759914845]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1991

Related Models

• Seiko 4580-619
• Seiko 5297-982
• Seiko 6318-907
• Seiko 5637-815
• Seiko 7134-478
• Seiko 5630-525
• Seiko 6356-500
• Seiko 5642-417
• Seiko 7135-509
• Seiko 7057-245
• Seiko 7091-978
• Seiko 6254-193