Seiko Cal. 6377 - 818

Seiko 6377-818

This Hand-Winding model from 1987 features a 46mm Stainless Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c5d602f26354]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Black
Jewels
26j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1987

Related Models

seikata-wm-c5d602f26354