Seiko Cal. 4531 - 931

Seiko 4531-931

The 4531-931 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-934305910b04]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
27j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1972

Related Models

seikata-wm-934305910b04