Seiko Cal. 6640 - 471

Seiko 6640-471

This Kinetic model from 1990 features a 43mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-5773586228b2]

Also known as: Sea Horse

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1990

Related Models

seikata-wm-5773586228b2