Seiko Cal. 6320 - 552

The Seiko 6320-552 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-91a71fc635a6]

Also known as: Helmet, Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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