Seiko Cal. 4491 - 133

The Seiko 4491-133 represents an important milestone in Seiko's 1968 lineup. Powered by the 4491 caliber with 32j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-bc3c5aeda6c6]

Also known as: Turtle, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1968

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