Seiko Cal. 5647 - 528

Released in 1972, the Cal. 5647 with design code 528 was part of Seiko's domestic market collection. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-0ad61eac02c1]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1972

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