Seiko Cal. 6139 - 621

The Seiko 6139-621 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-83af268ac1a4]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1986

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