Seiko Cal. 5633 - 623

The 5633-623 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-eb7b4c2e33dd]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1968

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