Seiko Cal. 4538 - 815

The Seiko 4538-815 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-db4a632afc1c]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1979

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