Seiko Cal. 5693 - 637

Released in 1991, the Cal. 5693 with design code 637 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-94bff0645c5f]

Also known as: Panda, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1991

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