Seiko Cal. 6635 - 755

Released in 1977, the Cal. 6635 with design code 755 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-8b3a6ee14463]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1977

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