Seiko Cal. 6616 - 181

Seiko 6616-181

This Hand-Winding model from 1972 features a 39mm Gold-Plated case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c7701b540f01]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
10.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1972

Related Models

seikata-wm-c7701b540f01