Seiko Cal. 5661 - 424

The Seiko 5661-424 represents an important milestone in Seiko's 1999 lineup. It features a White dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-7a6229fbeba3]

Also known as: Tuna, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1999

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