Seiko Cal. 3861 - 252

The Seiko 3861-252 represents an important milestone in Seiko's 1971 lineup. Powered by the 3861 caliber with 33j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-82e01162d00b]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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