Seiko Cal. 7021 - 400

Released in 1975, the Cal. 7021 with design code 400 was part of Seiko's domestic market collection. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-8a4576bc09cb]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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