Seiko Cal. 7031 - 645

Seiko 7031-645

The 7031-645 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-601046d50f4e]

Also known as: Monster

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
40mm
Case Thickness
8.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
30m
Dial Color
White
Jewels
18j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1985

Related Models

seikata-wm-601046d50f4e