Seiko Cal. 6181 - 490

This Solar model from 1978 features a 39mm PVD Black case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d38b10f0888a]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

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