Seiko Cal. 7178 - 620

Seiko 7178-620

The 7178-620 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7178 caliber with 25j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-3370d235ff0d]

Also known as: Panda

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
8.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1975

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