Seiko Cal. 5243 - 820

The Seiko 5243-820 represents an important milestone in Seiko's 1975 lineup. Powered by the 5243 caliber with 32j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-74211bd728d2]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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