Seiko Cal. 5636 - 784

The 5636-784 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-264cb79df45b]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1973

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