Seiko Cal. 5281 - 137

Seiko 5281-137

The 5281-137 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5281 caliber with 32j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-433d554de940]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Navy
Jewels
32j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1999

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seikata-wm-433d554de940