Seiko Cal. 0728 - 254

This Solar model from 1970 features a 45mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-e0c0689f3aef]

Also known as: Tuna, Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1970

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