Seiko Cal. 5687 - 221

Seiko 5687-221

The 5687-221 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-24c9368c0e19]

Also known as: Turtle, Samurai

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1965

Related Models

seikata-wm-24c9368c0e19