Seiko Cal. 6657 - 323

Seiko 6657-323

The 6657-323 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-583dd7a5cc58]

Also known as: Tuna, Bullhead

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
10.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Cream
Jewels
18j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1969

Related Models

seikata-wm-583dd7a5cc58