Seiko Cal. 4437 - 643

Released in 1994, the Cal. 4437 with design code 643 was part of Seiko's domestic market collection. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-b132dd83ecbb]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1994

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