Seiko Cal. 5630 - 634

The Seiko 5630-634 represents an important milestone in Seiko's 1969 lineup. It features a Cream dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-16f471be4a87]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1969

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