Seiko Cal. 4438 - 161

Released in 1969, the Cal. 4438 with design code 161 was part of Seiko's domestic market collection. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-921bd46fb05d]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1969

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