Seiko Cal. 6623 - 509

This Hand-Winding model from 1966 features a 40mm Two-Tone case. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-7abe7e6bb9a1]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1966

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