Seiko Cal. 5620 - 741

The Seiko 5620-741 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-634a3d568d94]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1974

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