Seiko Cal. 5678 - 397

Seiko 5678-397

The Seiko 5678-397 represents an important milestone in Seiko's 1977 lineup. Powered by the 5678 caliber with 29j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-7845617af1cd]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
14.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
29j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1977

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