Seiko Cal. 4511 - 666

This Hand-Winding model from 1988 features a 45mm Stainless Steel case. Powered by the 4511 caliber with 31j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-3c18faadbdd0]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1988

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