Seiko Cal. 4438 - 479

The 4438-479 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4438 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-6f4069d09756]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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