Seiko Cal. 5690 - 900

Released in 1965, the Cal. 5690 with design code 900 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-986c4ac0cd6b]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1965

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