Seiko Cal. 7137 - 881

The Seiko 7137-881 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-45e5d791eff2]

Also known as: Panda, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1979

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