Seiko Cal. 4428 - 825

Seiko 4428-825

This Quartz model from 1974 features a 43mm Two-Tone case. Powered by the 4428 caliber with 30j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-9e98b113abea]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
43mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Green
Jewels
30j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1974

Related Models

seikata-wm-9e98b113abea