Seiko Cal. 0721 - 887

The Seiko 0721-887 represents an important milestone in Seiko's 1992 lineup. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-bbb473651f6f]

Also known as: Silverwave, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1992

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