Seiko Cal. 5628 - 204

The Seiko 5628-204 represents an important milestone in Seiko's 1970 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-e0c085d756ce]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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