Seiko Cal. 3815 - 842

Released in 1972, the Cal. 3815 with design code 842 was part of Seiko's domestic market collection. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-9c41aa49ec40]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1972

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