Seiko Cal. 4451 - 311

The Seiko 4451-311 represents an important milestone in Seiko's 1971 lineup. Powered by the 4451 caliber with 18j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-079b147a3602]

Also known as: Monster, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1971

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