Seiko Cal. 4471 - 948

The Seiko 4471-948 represents an important milestone in Seiko's 1965 lineup. Powered by the 4471 caliber with 21j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-df2f7cda7d57]

Also known as: Turtle, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1965

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