Seiko Cal. 3896 - 388

This Spring Drive model from 1970 features a 39mm Titanium case. Powered by the 3896 caliber with 24j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-58937686a119]

Also known as: Monster, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1970

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