Seiko Cal. 3850 - 688

Seiko 3850-688

The 3850-688 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-e10f1b25a5b0]

Also known as: Bellmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
33j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1981

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