Seiko Cal. 3899 - 248

Seiko 3899-248

This Automatic model from 1975 features a 35mm PVD Black case. Powered by the 3899 caliber with 20j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-bc0d1febbc7d]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
35mm
Case Thickness
15.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Navy
Jewels
20j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1975

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