Seiko Cal. 0721 - 221

The Seiko 0721-221 represents an important milestone in Seiko's 1994 lineup. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-1d4106089d84]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1994

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