Seiko Cal. 5230 - 538

The Seiko 5230-538 represents an important milestone in Seiko's 1979 lineup. Powered by the 5230 caliber with 32j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-836f4810ea92]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1979

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