Seiko Cal. 4439 - 840

The 4439-840 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-553e3c7aaeb0]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1979

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