Seiko Cal. 7021 - 604

The Seiko 7021-604 represents an important milestone in Seiko's 1978 lineup. It features a Cream dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-389e46be887a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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