Seiko Cal. 6381 - 744

The Seiko 6381-744 represents an important milestone in Seiko's 1978 lineup. Powered by the 6381 caliber with 33j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-e8dea5cf6ab0]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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