Seiko Cal. 3851 - 672

The Seiko 3851-672 represents an important milestone in Seiko's 1968 lineup. Powered by the 3851 caliber with 28j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-19e33c71c5f0]

Also known as: Sumo, Panda

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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