Seiko Cal. 4441 - 739

The Seiko 4441-739 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-91e9a3524e04]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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