Seiko Cal. 5231 - 102

Released in 1973, the Cal. 5231 with design code 102 was part of Seiko's domestic market collection. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-a6965df66ef2]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1973

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