Seiko Cal. 4448 - 338

The Seiko 4448-338 represents an important milestone in Seiko's 1976 lineup. Powered by the 4448 caliber with 22j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-e310f365448f]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1976

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