Seiko Cal. 5661 - 455

Released in 1989, the Cal. 5661 with design code 455 was part of Seiko's domestic market collection. Powered by the 5661 caliber with 24j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-4aae445ae7ad]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1989

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