Seiko Cal. 0746 - 637

The Seiko 0746-637 represents an important milestone in Seiko's 1993 lineup. Powered by the 0746 caliber with 32j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-2df71849b511]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1993

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