Seiko Cal. 6316 - 717

The 6316-717 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6316 caliber with 26j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-ef58211d4adc]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

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