Seiko Cal. 5678 - 397

Seiko 5678-397

This Automatic model from 1979 features a 40mm Hardlex-Coated Steel case. Powered by the 5678 caliber with 22j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-b8130af57ed4]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
11.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Burgundy
Jewels
22j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1979

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