Seiko Cal. 7031 - 378

Seiko 7031-378

The 7031-378 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7031 caliber with 19j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-b6a4a8524c3a]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Silver
Jewels
19j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1971

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