Seiko Cal. 6677 - 537

The Seiko 6677-537 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-e308476aff2f]

Also known as: Pogue, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1971

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