Seiko Cal. 7172 - 740

This Automatic model from 1969 features a 45mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-4c934f3d9fb3]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1969

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