Seiko Cal. 0715 - 638

The 0715-638 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-5cf03ca5280c]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1977

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