Seiko Cal. 4439 - 230

The Seiko 4439-230 represents an important milestone in Seiko's 1972 lineup. Powered by the 4439 caliber with 30j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-10b8b3f6a534]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1972

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