Seiko Cal. 6337 - 448

The Seiko 6337-448 represents an important milestone in Seiko's 1979 lineup. Powered by the 6337 caliber with 24j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-5cd847b18dce]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1979

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