Seiko Cal. 4435 - 377

The Seiko 4435-377 represents an important milestone in Seiko's 1980 lineup. Powered by the 4435 caliber with 19j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-b26adedde92e]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1980

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