Seiko Cal. 7026 - 686

This Spring Drive model from 1978 features a 36mm Gold-Plated case. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-e76301e10520]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1978

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