Seiko Cal. 7128 - 378

Seiko 7128-378

This Spring Drive model from 1985 features a 40mm Hardlex-Coated Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ca209737324f]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1985

Related Models

seikata-wm-ca209737324f