Seiko Cal. 6316 - 677

The 6316-677 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6316 caliber with 30j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-adc76afcba27]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1987

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