Seiko Cal. 7180 - 384

Seiko 7180-384

The Seiko 7180-384 represents an important milestone in Seiko's 1988 lineup. Powered by the 7180 caliber with 28j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-89cf138a78f8]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
45mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Burgundy
Jewels
28j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1988

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