Seiko Cal. 5633 - 380

The 5633-380 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1de0cfad77f5]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1988

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