Seiko Cal. 5666 - 641

Seiko 5666-641

The 5666-641 is a sought-after Kinetic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-f80fa48e1a2a]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
44mm
Case Thickness
10.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1977

Related Models

seikata-wm-f80fa48e1a2a