Seiko Cal. 3811 - 694

The Seiko 3811-694 represents an important milestone in Seiko's 1991 lineup. Powered by the 3811 caliber with 30j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-cf33ce0e3607]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1991

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