Seiko Cal. 6645 - 533

The Seiko 6645-533 represents an important milestone in Seiko's 1977 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-15daa1b9fd31]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1977

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