Seiko Cal. 3857 - 727

Seiko 3857-727

The Seiko 3857-727 represents an important milestone in Seiko's 1994 lineup. Powered by the 3857 caliber with 30j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-7f010725092d]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
43mm
Case Thickness
12.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1994

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seikata-wm-7f010725092d