Seiko Cal. 6678 - 331

Seiko 6678-331

The 6678-331 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-9e9f1bddd5f2]

Also known as: Monster, Baby Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
43mm
Case Thickness
13.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Silver
Jewels
34j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1988

Related Models

seikata-wm-9e9f1bddd5f2