Seiko Cal. 7139 - 501

The Seiko 7139-501 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-03aa78590312]

Also known as: Panda, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1987

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