Seiko Cal. 3884 - 725

Seiko 3884-725

The 3884-725 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3884 caliber with 18j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-1fa1fabedd8a]

Also known as: Tuna, World Timer

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1989

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