Seiko Cal. 5619 - 363

The Seiko 5619-363 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-6c252bafcfa8]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1971

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