Seiko Cal. 4528 - 319

Seiko 4528-319

The 4528-319 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-9cae46b62b6c]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
9.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1989

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