Seiko Cal. 5665 - 366

Seiko 5665-366

The Seiko 5665-366 represents an important milestone in Seiko's 1989 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-4eb7175b7b96]

Also known as: Tuna, Flighty

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
160m
Dial Color
Green
Jewels
34j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1989

Related Models

seikata-wm-4eb7175b7b96