Seiko Cal. 5615 - 620

The Seiko 5615-620 represents an important milestone in Seiko's 1982 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-09a0f65afe01]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1982

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