Seiko Cal. 3850 - 857

Seiko 3850-857

The Seiko 3850-857 represents an important milestone in Seiko's 1976 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-bd2b770fcd1b]

Also known as: Tuna, Pogue

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
11.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Burgundy
Jewels
30j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1976

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