Seiko Cal. 6643 - 136

This Solar model from 1969 features a 36mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-974979f18c73]

Also known as: Rally, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1969

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