Seiko Cal. 6615 - 398

Released in 1972, the Cal. 6615 with design code 398 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-5f5847ec2ae0]

Also known as: Monster, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1972

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