Seiko Cal. 4487 - 772

Seiko 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

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