Seiko Cal. 5639 - 315

The 5639-315 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-c47894a4a443]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1965

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