Seiko Cal. 6643 - 139

Seiko 6643-139

This Automatic model from 1972 features a 34mm Stainless Steel case. Powered by the 6643 caliber with 34j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-0c522d767650]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Green
Jewels
34j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1972

Related Models

seikata-wm-0c522d767650