Seiko Cal. 5628 - 698

This Spring Drive model from 1987 features a 45mm Stainless Steel case. Powered by the 5628 caliber with 18j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-e9459453c937]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1987

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