Seiko Cal. 5643 - 827

The 5643-827 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-bcc79814cc31]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1969

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