Seiko Cal. 5270 - 977

The 5270-977 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5270 caliber with 28j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-df12b11d4b89]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1974

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