Seiko Cal. 3873 - 656

The 3873-656 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-a9e645ce3f7b]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1979

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