Seiko Cal. 3887 - 640

Seiko 3887-640

This Hand-Winding model from 1997 features a 38mm Two-Tone case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d4a9937df444]

Also known as: Silverwave, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
38mm
Case Thickness
15.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
160m
Dial Color
Navy
Jewels
25j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1997

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