Seiko Cal. 4439 - 964

The Seiko 4439-964 represents an important milestone in Seiko's 1965 lineup. Powered by the 4439 caliber with 18j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-07b2e049a8a4]

Also known as: Panda, Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1965

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