Seiko Cal. 4439 - 740

The Seiko 4439-740 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-dfd5ac849d04]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1988

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