Seiko Cal. 6257 - 679

The Seiko 6257-679 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-e995add0d2f8]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

Related Models

• Seiko 6197-833
• Seiko 6319-259
• Seiko 7119-157
• Seiko 7134-335
• Seiko 7142-208
• Seiko 5639-133
• Seiko 5653-568
• Seiko 6254-511
• Seiko 4471-220
• Seiko 6689-539
• Seiko 6161-666
• Seiko 7195-166