Seiko Cal. 4439 - 410

The Seiko 4439-410 represents an important milestone in Seiko's 1977 lineup. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-83af7e6c6e9a]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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