Seiko Cal. 6659 - 363

Seiko 6659-363

This Spring Drive model from 1973 features a 34mm Stainless Steel case. Powered by the 6659 caliber with 31j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-73daef6aa2b5]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
130m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1973

Related Models

seikata-wm-73daef6aa2b5