Seiko Cal. 6657 - 543

This Spring Drive model from 1987 features a 36mm Stainless Steel case. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-83875ed01586]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1987

Related Models

• Seiko 5677-232
• Seiko 6123-216
• Seiko 6283-592
• Seiko 5251-667
• Seiko 6679-193
• Seiko 6297-296
• Seiko 4537-521
• Seiko 7067-176
• Seiko 3870-324
• Seiko 5210-170
• Seiko 4543-703
• Seiko 4474-210