Seiko Cal. 6640 - 554

Seiko 6640-554

The 6640-554 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-69da35d5a921]

Also known as: Turtle, Flighty

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
13.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
35j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1987

Related Models

seikata-wm-69da35d5a921