Seiko Cal. 3854 - 901

The 3854-901 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3854 caliber with 33j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-864367d86df7]

Also known as: Helmet, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1973

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