Seiko Cal. 6615 - 537

The Seiko 6615-537 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-c7e754b32642]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1983

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