Seiko Cal. 3815 - 550

Seiko 3815-550

The 3815-550 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-1a1037629416]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Silver
Jewels
25j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1978

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seikata-wm-1a1037629416