Seiko Cal. 6316 - 752

The 6316-752 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6316 caliber with 21j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-a17d29e30d56]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1979

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