Seiko Cal. 4574 - 643

Seiko 4574-643

The 4574-643 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4574 caliber with 23j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-fe719cb7b4b3]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1994

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