Seiko Cal. 4438 - 830

The 4438-830 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4438 caliber with 19j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-0f22a060812f]

Also known as: Panda, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1966

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