Seiko Cal. 6231 - 233

This Spring Drive model from 1986 features a 35mm PVD Black case. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-c193a9e1b27e]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1986

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