Seiko Cal. 6652 - 102

The Seiko 6652-102 represents an important milestone in Seiko's 1965 lineup. Powered by the 6652 caliber with 25j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-f33b9490617f]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1965

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