Seiko Cal. 7021 - 691

The Seiko 7021-691 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-88aa7c7d2302]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1971

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