Seiko Cal. 3887 - 240

Seiko 3887-240

The 3887-240 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3887 caliber with 24j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-887488e7c33e]

Also known as: Bullhead, Rally

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
12.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Champagne
Jewels
24j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1986

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