Seiko Cal. 3845 - 421

The Seiko 3845-421 represents an important milestone in Seiko's 1969 lineup. Powered by the 3845 caliber with 25j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-e7f5088b66d2]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1969

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