Seiko Cal. 6657 - 412

The Seiko 6657-412 represents an important milestone in Seiko's 1999 lineup. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-70b5ea212d4b]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1999

Related Models

• Seiko 5613-788
• Seiko 5657-522
• Seiko 7162-164
• Seiko 6260-383
• Seiko 5687-867
• Seiko 3879-339
• Seiko 4552-783
• Seiko 5246-476
• Seiko 6317-176
• Seiko 6363-247
• Seiko 6157-929
• Seiko 5227-625