Seiko Cal. 6253 - 637

The Seiko 6253-637 represents an important milestone in Seiko's 1999 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9dbfecd33a22]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1999

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