Seiko Cal. 6661 - 775

Seiko 6661-775

This Quartz model from 1968 features a 39mm Hardlex-Coated Steel case. Powered by the 6661 caliber with 24j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-4f4c698823c7]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
120m
Dial Color
Burgundy
Jewels
24j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1968

Related Models

seikata-wm-4f4c698823c7