Seiko Cal. 5618 - 838

The 5618-838 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ce8ce9a1f219]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1974

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