Seiko Cal. 6673 - 557

Seiko 6673-557

The 6673-557 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6673 caliber with 19j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-a4359778fdf8]

Also known as: Monster, Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
150m
Dial Color
White
Jewels
19j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1972

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