Seiko Cal. 6637 - 411

This Solar model from 1976 features a 40mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-fefd3f24aa9f]

Also known as: Tuna, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1976

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