Seiko Cal. 6641 - 406

This Quartz model from 1988 features a 38mm PVD Black case. Powered by the 6641 caliber with 25j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-029e469e49f0]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1988

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