Seiko Cal. 5610 - 380

The Seiko 5610-380 represents an important milestone in Seiko's 1972 lineup. It features a Navy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-69f4ac8a5acf]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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