Seiko Cal. 5630 - 861

The 5630-861 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2e769544fada]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1983

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