Seiko Cal. 6610 - 370

This Hand-Winding model from 1987 features a 43mm PVD Black case. Powered by the 6610 caliber with 26j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-49446e52eb0c]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1987

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