Seiko Cal. 7056 - 866

The Seiko 7056-866 represents an important milestone in Seiko's 1986 lineup. Powered by the 7056 caliber with 30j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-68b80cc93ac5]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1986

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