Seiko Cal. 4439 - 634

Released in 1999, the Cal. 4439 with design code 634 was part of Seiko's domestic market collection. Powered by the 4439 caliber with 22j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-094a41a5a061]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1999

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