Seiko Cal. 6316 - 133

The Seiko 6316-133 represents an important milestone in Seiko's 1978 lineup. Powered by the 6316 caliber with 21j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-da17ac8f02c9]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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