Seiko Cal. 7131 - 640

Seiko 7131-640

The 7131-640 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c8773781f621]

Also known as: Turtle

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
45mm
Case Thickness
15.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Black
Jewels
23j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1987

Related Models

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