Seiko Cal. 6390 - 181

Released in 1965, the Cal. 6390 with design code 181 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-c26fc41fedf1]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1965

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