Seiko Cal. 3845 - 472

The Seiko 3845-472 represents an important milestone in Seiko's 1978 lineup. Powered by the 3845 caliber with 26j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-bfa7a8ee74ed]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1978

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