Seiko Cal. 3884 - 721

Seiko 3884-721

The Seiko 3884-721 represents an important milestone in Seiko's 1971 lineup. Powered by the 3884 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-5bc04e606225]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1971

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seikata-wm-5bc04e606225