Seiko Cal. 6316 - 304

This Solar model from 1978 features a 40mm PVD Black case. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-f12c5bafc578]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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