Seiko Cal. 4436 - 773

The Seiko 4436-773 represents an important milestone in Seiko's 1991 lineup. Powered by the 4436 caliber with 31j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-7f5da37a668a]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1991

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