Seiko Cal. 5621 - 738

Released in 1965, the Cal. 5621 with design code 738 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-261790bcdfcc]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1965

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