Seiko Cal. 7189 - 424

The Seiko 7189-424 represents an important milestone in Seiko's 1977 lineup. Powered by the 7189 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-2a588c91b97c]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1977

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