Seiko Cal. 5633 - 898

The 5633-898 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5633 caliber with 30j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-5ce3e740f3c2]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1969

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