Seiko Cal. 4440 - 153

The Seiko 4440-153 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-e2df2b92cb79]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1968

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