Seiko Cal. 6671 - 137

The Seiko 6671-137 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-0a291110b280]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1971

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