Seiko Cal. 3891 - 539

Seiko 3891-539

The 3891-539 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-78a853a0102b]

Also known as: Turtle, Sumo

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Black
Jewels
19j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1999

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