Seiko Cal. 5231 - 384

The Seiko 5231-384 represents an important milestone in Seiko's 1991 lineup. Powered by the 5231 caliber with 26j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-984cb62aa915]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1991

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