Seiko Cal. 0721 - 416

The Seiko 0721-416 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-1570cc8b1ab9]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1971

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