Seiko Cal. 6635 - 635

Released in 1966, the Cal. 6635 with design code 635 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-9a858bd4aa88]

Also known as: UFO, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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