Seiko Cal. 4425 - 737

The Seiko 4425-737 represents an important milestone in Seiko's 1969 lineup. Powered by the 4425 caliber with 33j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-0315a78cd0c6]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1969

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