Seiko Cal. 4488 - 649

This Spring Drive model from 1996 features a 42mm Stainless Steel case. Powered by the 4488 caliber with 20j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-7d64dc839ec4]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1996

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