Seiko Cal. 6355 - 872

This Hand-Winding model from 1971 features a 45mm Titanium case. Powered by the 6355 caliber with 26j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-b359884fdaaf]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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