Seiko Cal. 3857 - 767

Seiko 3857-767

The 3857-767 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-84e7aa32c14f]

Also known as: Sumo, Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
35j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1972

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