Seiko Cal. 7021 - 827

The 7021-827 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7021 caliber with 28j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-37573ac70f5e]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1988

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