Seiko Cal. 4528 - 843

Seiko 4528-843

The 4528-843 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4528 caliber with 24j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-7d80f0eefde0]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Navy
Jewels
24j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1966

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