Seiko Cal. 5630 - 652

The Seiko 5630-652 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-bc56a9619a4a]

Also known as: UFO, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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