Seiko Cal. 4448 - 358

The 4448-358 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4448 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-66acd21171e7]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1993

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