Seiko Cal. 5663 - 707

Released in 1998, the Cal. 5663 with design code 707 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-29d8fbc903bc]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1998

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