Seiko Cal. 6398 - 778

Seiko 6398-778

This Solar model from 1981 features a 42mm PVD Black case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-06834d9a7a43]

Also known as: Monster, Baby Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
42mm
Case Thickness
14.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1981

Related Models

seikata-wm-06834d9a7a43