Seiko Cal. 4440 - 907

The Seiko 4440-907 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-a9b146f6eb88]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1975

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