Seiko Cal. 3842 - 743

The Seiko 3842-743 represents an important milestone in Seiko's 1986 lineup. Powered by the 3842 caliber with 31j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-0172797a11d6]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1986

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