Seiko Cal. 6145 - 831

This Solar model from 1975 features a 39mm Hardlex-Coated Steel case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-590ab4f6d733]

Also known as: Tuna, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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