Seiko Cal. 6665 - 381

Seiko 6665-381

This Hand-Winding model from 1969 features a 38mm Titanium case. Powered by the 6665 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-f8a19c9ed3cb]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
38mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Cream
Jewels
23j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1969

Related Models

seikata-wm-f8a19c9ed3cb