Seiko Cal. 4477 - 311

The Seiko 4477-311 represents an important milestone in Seiko's 1967 lineup. Powered by the 4477 caliber with 30j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-fdffed69ba25]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1967

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