Seiko Cal. 3815 - 688

Seiko 3815-688

The 3815-688 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-132a2a1a2531]

Also known as: Bullhead, Flighty

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
White
Jewels
36j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1990

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seikata-wm-132a2a1a2531