Seiko Cal. 3847 - 433

The Seiko 3847-433 represents an important milestone in Seiko's 1975 lineup. Powered by the 3847 caliber with 24j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-f909c922e62a]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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