Seiko Cal. 7131 - 368

Seiko 7131-368

The 7131-368 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-b8ed9c1de1a9]

Also known as: Turtle, Shogun

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
14.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Black
Jewels
32j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1971

Related Models

seikata-wm-b8ed9c1de1a9