Seiko Cal. 3845 - 221

The Seiko 3845-221 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6655517ff7eb]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1970

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