Seiko Cal. 3857 - 635

Seiko 3857-635

This Solar model from 1970 features a 40mm PVD Black case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f5711b2dc0d6]

Also known as: Shogun, Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
10.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Burgundy
Jewels
29j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1970

Related Models

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