Seiko Cal. 5621 - 401

The Seiko 5621-401 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-96522f481931]

Also known as: Rally, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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