Seiko Cal. 3872 - 138

The Seiko 3872-138 represents an important milestone in Seiko's 1985 lineup. Powered by the 3872 caliber with 36j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-1fcee8544058]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1985

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