Seiko Cal. 6380 - 978

Seiko 6380-978

The 6380-978 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6380 caliber with 27j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-d9580c9597c7]

Also known as: Sumo, World Timer

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1974

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seikata-wm-d9580c9597c7