Seiko Cal. 6687 - 243

Released in 1967, the Cal. 6687 with design code 243 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-cf482224afc3]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1967

Related Models

• Seiko 4557-898
• Seiko 5269-378
• Seiko 0761-942
• Seiko 6618-347
• Seiko 7064-210
• Seiko 7194-385
• Seiko 7067-358
• Seiko 6386-681
• Seiko 4491-865
• Seiko 6331-322
• Seiko 4552-393
• Seiko 7173-125