Seiko Cal. 4543 - 645

Seiko 4543-645

The 4543-645 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4543 caliber with 22j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-ce754dfc02ca]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
34mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Cream
Jewels
22j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1969

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