Seiko Cal. 7156 - 978

The 7156-978 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7156 caliber with 33j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-0e589b703b58]

Also known as: UFO, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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