Seiko Cal. 5633 - 188

The 5633-188 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-887ced3bebc7]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1981

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