Seiko Cal. 6381 - 545

Seiko 6381-545

The 6381-545 is a sought-after Solar piece from Seiko's golden era. Powered by the 6381 caliber with 20j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-49bfd4ecd755]

Also known as: Sumo

Specifications

Movement
Solar
Case Material
Titanium
Case Width
38mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1972

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