Seiko Cal. 4438 - 852

Released in 1984, the Cal. 4438 with design code 852 was part of Seiko's domestic market collection. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-df1fa56dd140]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1984

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