Seiko Cal. 6131 - 102

The Seiko 6131-102 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2dd28fd56e21]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1978

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