Seiko Cal. 5243 - 289

Seiko 5243-289

The Seiko 5243-289 represents an important milestone in Seiko's 1971 lineup. Powered by the 5243 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-b09d823515bc]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
34j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1971

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