Seiko Cal. 3870 - 538

Released in 1988, the Cal. 3870 with design code 538 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-caf6553e4a02]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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