Seiko Cal. 6613 - 632

This Spring Drive model from 1989 features a 38mm Gold-Plated case. Powered by the 6613 caliber with 23j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-3302476a9e2b]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1989

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