Seiko Cal. 5633 - 726

The 5633-726 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-884d0d91e462]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1983

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