Seiko Cal. 5613 - 638

The 5613-638 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-399b3c74c3a4]

Also known as: UFO, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1986

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