Seiko Cal. 7031 - 318

Seiko 7031-318

The 7031-318 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-95a89325cdf7]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Titanium
Case Width
46mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
Burgundy
Jewels
17j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1965

Related Models

seikata-wm-95a89325cdf7