Seiko Cal. 4487 - 257

Seiko 4487-257

The 4487-257 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-8d73c0e4a729]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Black
Jewels
24j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1993

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