Seiko Cal. 4545 - 820

Seiko 4545-820

The 4545-820 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-bce2a3b7a48b]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
120m
Dial Color
Navy
Jewels
22j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1971

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