Seiko Cal. 3884 - 727

This Spring Drive model from 1965 features a 38mm PVD Black case. Powered by the 3884 caliber with 33j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-b9791ddce20b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1965

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