Seiko Cal. 3878 - 591

Seiko 3878-591

The Seiko 3878-591 represents an important milestone in Seiko's 1983 lineup. Powered by the 3878 caliber with 29j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-4f3a3ce73b8c]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
36mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Champagne
Jewels
29j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1983

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