Seiko Cal. 3823 - 637

Seiko 3823-637

The 3823-637 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-b10d8ac62b90]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Green
Jewels
20j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1974

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