Seiko Cal. 6658 - 372

This Automatic model from 1972 features a 40mm Two-Tone case. Powered by the 6658 caliber with 29j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-560f3dd033ea]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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