Seiko Cal. 5273 - 285

Seiko 5273-285

The Seiko 5273-285 represents an important milestone in Seiko's 1971 lineup. Powered by the 5273 caliber with 33j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-ce3f6a119b44]

Also known as: Sumo, Rally

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1971

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