Seiko Cal. 6378 - 674

Seiko 6378-674

This Solar model from 1997 features a 40mm Hardlex-Coated Steel case. With its 20mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-78e6c6bda9e4]

Also known as: Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
90m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1997

Related Models

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