Seiko Cal. 5278 - 371

Seiko 5278-371

The 5278-371 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5278 caliber with 23j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-d2241e43e07a]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Burgundy
Jewels
23j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1995

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