Seiko Cal. 7156 - 394

Seiko 7156-394

The 7156-394 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7156 caliber with 29j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-7bf6d3c4b09a]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
12.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1983

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