Seiko Cal. 5661 - 991

Released in 1995, the Cal. 5661 with design code 991 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-776665f86871]

Also known as: World Timer, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1995

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