Seiko Cal. 6378 - 187

Seiko 6378-187

The Seiko 6378-187 represents an important milestone in Seiko's 1998 lineup. It features a Silver dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-bc4b705e213d]

Also known as: Helmet, Rally

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
20j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1998

Related Models

seikata-wm-bc4b705e213d