Seiko Cal. 4487 - 985

Seiko 4487-985

This Hand-Winding model from 1976 features a 44mm Two-Tone case. Powered by the 4487 caliber with 35j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-e084296bebc1]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
44mm
Case Thickness
11.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
Champagne
Jewels
35j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1976

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