Seiko Cal. 6647 - 213

Seiko 6647-213

This Quartz model from 1970 features a 44mm PVD Black case. Powered by the 6647 caliber with 31j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-198db58783c5]

Also known as: Sumo

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
44mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1970

Related Models

seikata-wm-198db58783c5