Seiko Cal. 6316 - 257

The 6316-257 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-10730debb731]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1981

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