Seiko Cal. 6263 - 916

This Spring Drive model from 1977 features a 45mm Two-Tone case. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-51e5de3ae9da]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1977

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