Seiko Cal. 7156 - 998

Released in 1971, the Cal. 7156 with design code 998 was part of Seiko's domestic market collection. Powered by the 7156 caliber with 34j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-00ef5ad4fade]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1971

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