Seiko Cal. 4431 - 765

The Seiko 4431-765 represents an important milestone in Seiko's 1994 lineup. With its 22mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-1ca06ed44458]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1994

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