Seiko Cal. 3865 - 748

The Seiko 3865-748 represents an important milestone in Seiko's 1972 lineup. Powered by the 3865 caliber with 35j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-919ac8b7dde0]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1972

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