Seiko Cal. 5647 - 738

Released in 1965, the Cal. 5647 with design code 738 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-8a264fd339ac]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1965

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