Seiko Cal. 5647 - 275

This Automatic model from 1970 features a 36mm PVD Black case. Powered by the 5647 caliber with 23j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-360afe4b1c97]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1970

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