Seiko Cal. 3857 - 820

Seiko 3857-820

This Quartz model from 1999 features a 40mm Stainless Steel case. Powered by the 3857 caliber with 30j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-3bd7892528f5]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Burgundy
Jewels
30j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1999

Related Models

seikata-wm-3bd7892528f5