Seiko Cal. 3854 - 633

Released in 1969, the Cal. 3854 with design code 633 was part of Seiko's domestic market collection. Powered by the 3854 caliber with 22j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-d4e2ca39f5a2]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1969

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