Seiko Cal. 0721 - 527

The 0721-527 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0721 caliber with 22j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-af7c14954c92]

Also known as: Monster, Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1987

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