Seiko Cal. 3874 - 456

The Seiko 3874-456 represents an important milestone in Seiko's 1972 lineup. Powered by the 3874 caliber with 35j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-6241739f1dce]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1972

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