Seiko Cal. 5681 - 413

The Seiko 5681-413 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-707c41d9dbc1]

Also known as: Monster, Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1979

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