Seiko Cal. 3867 - 372

The Seiko 3867-372 represents an important milestone in Seiko's 1978 lineup. Powered by the 3867 caliber with 28j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-865e4e80a125]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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