Seiko Cal. 4489 - 961

The Seiko 4489-961 represents an important milestone in Seiko's 1995 lineup. Powered by the 4489 caliber with 25j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-4b0c5ccb7d3a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1995

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