Seiko Cal. 4552 - 180

Seiko 4552-180

The 4552-180 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-dfd626f36d72]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
22j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1965

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