Seiko Cal. 3870 - 253

The Seiko 3870-253 represents an important milestone in Seiko's 1977 lineup. Powered by the 3870 caliber with 28j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-3b1a338acccd]

Also known as: Arnie, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1977

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