Seiko Cal. 4443 - 338

The Seiko 4443-338 represents an important milestone in Seiko's 1965 lineup. Powered by the 4443 caliber with 35j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-459dd2cde82e]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1965

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