Seiko Cal. 5257 - 664

The Seiko 5257-664 represents an important milestone in Seiko's 1990 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-08b6caa69522]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1990

Related Models

• Seiko 7168-712
• Seiko 5695-584
• Seiko 4430-380
• Seiko 4494-497
• Seiko 4414-281
• Seiko 0788-822
• Seiko 4565-501
• Seiko 6387-139
• Seiko 5647-665
• Seiko 5257-931
• Seiko 7135-642
• Seiko 6142-425