Seiko Cal. 4487 - 309

Seiko 4487-309

This Spring Drive model from 1996 features a 45mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-3b60ef8bb283]

Also known as: Rally

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
30j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1996

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seikata-wm-3b60ef8bb283