Seiko Cal. 5687 - 621

The 5687-621 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-a14a110930da]

Also known as: UFO, Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1985

Related Models

• Seiko 5692-801
• Seiko 6353-193
• Seiko 3845-952
• Seiko 6135-446
• Seiko 5299-296
• Seiko 7030-993
• Seiko 6381-411
• Seiko 6177-818
• Seiko 6215-915
• Seiko 6343-606
• Seiko 6698-128
• Seiko 6173-279