Seiko Cal. 5645 - 273

Seiko 5645-273

The 5645-273 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ddc91b9753b4]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
180m
Dial Color
Burgundy
Jewels
28j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1969

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