Seiko Cal. 4540 - 659

This Automatic model from 1987 features a 39mm Titanium case. Powered by the 4540 caliber with 36j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-db52f72e92a7]

Also known as: Helmet, Goldfeather

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1987

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