Seiko Cal. 5257 - 607

The 5257-607 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-5cc859f6833b]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1973

Related Models

• Seiko 6328-494
• Seiko 6140-395
• Seiko 0768-839
• Seiko 6278-968
• Seiko 7070-448
• Seiko 6331-858
• Seiko 7193-577
• Seiko 6695-847
• Seiko 4450-254
• Seiko 7161-643
• Seiko 4414-205
• Seiko 4419-157