Seiko Cal. 6657 - 899

Seiko 6657-899

The 6657-899 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-52385b0c5376]

Also known as: UFO

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
41mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1977

Related Models

seikata-wm-52385b0c5376