Seiko Cal. 5243 - 138

Seiko 5243-138

The 5243-138 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5243 caliber with 23j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-d32c0bfae90c]

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
23j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1984

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