Seiko Cal. 3893 - 547

Seiko 3893-547

The 3893-547 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3893 caliber with 18j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-f9ef7e47f44d]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
40mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Silver
Jewels
18j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1976

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