Seiko Cal. 4527 - 633

The Seiko 4527-633 represents an important milestone in Seiko's 1999 lineup. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-20b8b2fdafcd]

Also known as: Sumo, Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1999

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