Seiko Cal. 3894 - 420

Seiko 3894-420

The Seiko 3894-420 represents an important milestone in Seiko's 1997 lineup. Powered by the 3894 caliber with 30j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-5ac07c40ffe7]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
White
Jewels
30j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1997

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