Seiko Cal. 4548 - 434

This Spring Drive model from 1987 features a 37mm Two-Tone case. Powered by the 4548 caliber with 29j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-e59b57ffc677]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1987

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