Seiko Cal. 4438 - 920

The 4438-920 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4438 caliber with 30j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-53e5542f3998]

Also known as: Shogun, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1985

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