Seiko Cal. 3873 - 658

Seiko 3873-658

The 3873-658 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3873 caliber with 26j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-5a6f044b2185]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
46mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Black
Jewels
26j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1968

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