Seiko Cal. 6399 - 425

Released in 1965, the Cal. 6399 with design code 425 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-c61dcb79eee4]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1965

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