Seiko Cal. 6390 - 152

Released in 1971, the Cal. 6390 with design code 152 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-94e2fd5ec4c8]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1971

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