Seiko Cal. 5681 - 308

The Seiko 5681-308 represents an important milestone in Seiko's 1967 lineup. Powered by the 5681 caliber with 23j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-a994e5aef7de]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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