Seiko Cal. 4438 - 278

This Kinetic model from 1985 features a 36mm Stainless Steel case. Powered by the 4438 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-c5cc5660de1c]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1985

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