Seiko Cal. 3817 - 850

Seiko 3817-850

The 3817-850 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-60774fb5590b]

Also known as: Bellmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1979

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