Seiko Cal. 3865 - 672

The Seiko 3865-672 represents an important milestone in Seiko's 1969 lineup. Powered by the 3865 caliber with 36j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-8cdb38fa11ba]

Also known as: Tuna, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1969

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