Seiko Cal. 4556 - 643

This Automatic model from 1973 features a 38mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-6912ced66c9d]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1973

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