Seiko Cal. 3854 - 218

The Seiko 3854-218 represents an important milestone in Seiko's 1968 lineup. Powered by the 3854 caliber with 24j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-56a092e3bf1a]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1968

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