Seiko Cal. 6380 - 854

Seiko 6380-854

This Spring Drive model from 1971 features a 44mm PVD Black case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5862853a87aa]

Also known as: Tuna, Crown

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
44mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1971

Related Models

seikata-wm-5862853a87aa