Seiko Cal. 3896 - 757

Released in 1968, the Cal. 3896 with design code 757 was part of Seiko's domestic market collection. Powered by the 3896 caliber with 31j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-558258b303cf]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1968

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