Seiko Cal. 5257 - 340

The Seiko 5257-340 represents an important milestone in Seiko's 1995 lineup. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-15c0ce5eb193]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1995

Related Models

• Seiko 6179-491
• Seiko 7013-313
• Seiko 4587-425
• Seiko 6682-677
• Seiko 6363-696
• Seiko 3828-126
• Seiko 3844-541
• Seiko 6641-934
• Seiko 6225-614
• Seiko 4466-122
• Seiko 6217-469
• Seiko 6236-796