Seiko Cal. 5633 - 503

The Seiko 5633-503 represents an important milestone in Seiko's 1972 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-a744d233fec0]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1972

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