Seiko Cal. 0787 - 491

The Seiko 0787-491 represents an important milestone in Seiko's 1981 lineup. Powered by the 0787 caliber with 17j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2a91b383554b]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1981

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