Seiko Cal. 3816 - 306

The 3816-306 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-1a0efee21964]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1979

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