Seiko Cal. 3887 - 378

Seiko 3887-378

The 3887-378 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-d59050f1a801]

Also known as: Navigator, Sea Horse

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Navy
Jewels
17j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1986

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