Seiko Cal. 7021 - 400

Released in 1978, the Cal. 7021 with design code 400 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-156922375f01]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1978

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