Seiko Cal. 5231 - 843

The Seiko 5231-843 represents an important milestone in Seiko's 1981 lineup. Powered by the 5231 caliber with 25j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-4ad3b938d567]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1981

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