Seiko Cal. 5657 - 178

This Spring Drive model from 1987 features a 44mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-4da3addae5a8]

Also known as: Crown, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1987

Related Models

• Seiko 4525-409
• Seiko 6663-715
• Seiko 6634-760
• Seiko 5640-641
• Seiko 6169-686
• Seiko 3857-657
• Seiko 4597-455
• Seiko 7099-476
• Seiko 6116-363
• Seiko 3896-789
• Seiko 0790-181
• Seiko 6282-815