Seiko Cal. 5690 - 787

The Seiko 5690-787 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-a0d2a9148f75]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1991

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