Seiko Cal. 0721 - 624

The 0721-624 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-3611c68c0e5c]

Also known as: Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1994

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