Seiko Cal. 4448 - 230

The Seiko 4448-230 represents an important milestone in Seiko's 1968 lineup. Powered by the 4448 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-1d9704f39a15]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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