Seiko Cal. 3842 - 740

The 3842-740 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3842 caliber with 32j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-48a68238982c]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1989

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