Seiko Cal. 4438 - 387

The 4438-387 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4438 caliber with 34j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-0365746470fa]

Also known as: Samurai, Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

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