Seiko Cal. 4488 - 339

The 4488-339 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4488 caliber with 28j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-fbc28f0b4830]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1992

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