Seiko Cal. 7171 - 309

The Seiko 7171-309 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-75cb52b3cf6d]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

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