Seiko Cal. 5230 - 518

The Seiko 5230-518 represents an important milestone in Seiko's 1968 lineup. Powered by the 5230 caliber with 20j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-93c4b977ae15]

Also known as: Sumo, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1968

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