Seiko Cal. 5221 - 633

The Seiko 5221-633 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-4061717ae584]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1965

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