Seiko Cal. 5684 - 251

The Seiko 5684-251 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a3e6a01f29c1]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1987

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