Seiko Cal. 5656 - 966

The Seiko 5656-966 represents an important milestone in Seiko's 1988 lineup. Powered by the 5656 caliber with 30j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-40a955f96a37]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1988

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