Seiko Cal. 5221 - 720

The Seiko 5221-720 represents an important milestone in Seiko's 1969 lineup. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-49b02a20e83a]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1969

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