Seiko Cal. 6643 - 454

Seiko 6643-454

The 6643-454 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-7e7721e8f2b9]

Also known as: Samurai, World Timer

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
12.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
160m
Dial Color
Green
Jewels
35j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1977

Related Models

seikata-wm-7e7721e8f2b9