Seiko Cal. 0721 - 183

The Seiko 0721-183 represents an important milestone in Seiko's 1999 lineup. Powered by the 0721 caliber with 25j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-e226e1e87582]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1999

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