Seiko Cal. 0721 - 121

The Seiko 0721-121 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-70b6d44b0958]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1984

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