Seiko Cal. 3857 - 728

Seiko 3857-728

The 3857-728 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-50b08c225a7a]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
15.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
120m
Dial Color
Burgundy
Jewels
34j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1971

Related Models

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