Seiko Cal. 4488 - 830

Released in 1969, the Cal. 4488 with design code 830 was part of Seiko's domestic market collection. Powered by the 4488 caliber with 28j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-bc476859af1b]

Also known as: Sumo, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1969

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