Seiko Cal. 5621 - 804

The Seiko 5621-804 represents an important milestone in Seiko's 1978 lineup. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-b3280d65502e]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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