Seiko Cal. 4487 - 772

This Quartz model from 1988 features a 44mm Stainless Steel case. Powered by the 4487 caliber with 20j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-d5c33c2657d1]

Also known as: Monster, Sea Horse

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1988

Related Models

• Seiko 6214-236
• Seiko 0754-163
• Seiko 4493-274
• Seiko 6268-974
• Seiko 3895-209
• Seiko 4588-262
• Seiko 4488-854
• Seiko 0720-969
• Seiko 7060-329
• Seiko 6315-625
• Seiko 5653-226
• Seiko 6158-967