Seiko Cal. 5615 - 503

The Seiko 5615-503 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-af3299dd8443]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1989

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