Seiko Cal. 5638 - 325

Released in 1971, the Cal. 5638 with design code 325 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-02e4ddffc213]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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