Seiko Cal. 3870 - 525

Released in 1983, the Cal. 3870 with design code 525 was part of Seiko's domestic market collection. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-ebc3eaac9f87]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1983

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